2024 Nz dermnet - Introduction. Itch is defined by a desire to scratch. An acute or chronic itchy rash is most often due to dermatitis / eczema. Dermatitis can be primary, or secondary to scratching. Stages include: Acute dermatitis: red, oozy, swollen skin. Subacute dermatitis: red, dry skin. Chronic dermatitis: skin coloured or dark, dry, thickened skin with ...

 
Parkes-Weber syndrome refers to the association of a capillary vascular malformation with an arteriovenous malformation. The birthmark tends to be quite large. It is often faint pink, but may also be bright red in colour. The affected limb is warmer and longer than the other side, though of normal shape.. Nz dermnet

17.8% were aged 50-59. 23.9% were aged 60-69. 23.7% were aged 70-79. 16% were aged 80 or older. The mean age for melanoma diagnosis is 65.7 years among men and 62.4 years among women. Melanoma is the most common cancer diagnosed in young Australians aged 15–29 years, accounting for 15% of all cancers in this age group. Acne conglobata is a rare severe form of nodulocystic acne. It presents with groups of multiple comedones and inflammatory papules, pustules, and nodules involving the trunk, limbs, and buttocks. Interconnecting abscesses and draining sinuses become secondarily infected causing pain and malodour. Healing is slow, leaving unsightly hypertrophic ... The epidermis is the uppermost or epithelial layer of the skin. It acts as a physical barrier, preventing loss of water from the body, and preventing entry of substances and organisms into the body. Its thickness varies according to the body site. The epidermis consists of stratified squamous epithelium. That means it consists of layers of ...Lymphogranuloma venereum (LGV) is a sexually transmitted infection (STI) caused by specific strains (serovars L1, L2, and L3) of the bacteria Chlamydia trachomatis. The more common non-LGV, C. trachomatis infection, commonly known as chlamydia, is largely restricted to the initial local mucosal site of infection, whereas LGV … Pityriasis versicolor affects the trunk, neck, and/or arms, and is uncommon on other parts of the body. The patches may be coppery brown, paler than surrounding skin, or pink. Pale patches may be more common in darker skin; this appearance is known as pityriasis versicolor alba. Sometimes the patches start scaly and brown, and then resolve ... 17.8% were aged 50-59. 23.9% were aged 60-69. 23.7% were aged 70-79. 16% were aged 80 or older. The mean age for melanoma diagnosis is 65.7 years among men and 62.4 years among women. Melanoma is the most common cancer diagnosed in young Australians aged 15–29 years, accounting for 15% of all cancers in this age group.Definition. Dermatology is the medical discipline that is concerned with the diagnosis and treatment of diseases of the skin, hair, and nails in both children and adults. Specialists in dermatology are called dermatologists.. The New Zealand Dermatological Society’s definition is comprehensive: “Dermatology involves but is not limited to study, research, …Contact dermatitis (also called contact eczema) refers to a group of skin disorders in which the skin reaction is due to direct contact with the causative agent. The term dermatitis implies that the outside layers of skin are affected. It can be acute (a single episode) or chronic ( persistent ). Dermatitis is nearly always itchy.Fungal infection of the nail, also known as onychomycosis, compromises over 50% of all nail disease with an estimated prevalence of 5.5%. They can affect the toenails, fingernails, or both. Fungal nail infections are also known as tinea unguium in … Pityriasis versicolor affects the trunk, neck, and/or arms, and is uncommon on other parts of the body. The patches may be coppery brown, paler than surrounding skin, or pink. Pale patches may be more common in darker skin; this appearance is known as pityriasis versicolor alba. Sometimes the patches start scaly and brown, and then resolve ... Seborrhoeic keratosis is a harmless warty spot that appears during adult life as a common sign of skin ageing. Some people have hundreds of them. Seborrhoeic keratosis (American spelling - seborrheic keratosis) is also called SK, basal cell papilloma, senile wart, brown wart, wisdom wart, or barnacle. The descriptive term, benign keratosis, is ...Hyperhidrosis is the name given to excessive and uncontrollable sweating. Sweat is a weak salt solution produced by the eccrine sweat glands. These are distributed over the entire body but are most numerous on the palms and soles (with about 700 glands per square centimetre). Infection of internal organs, including the gastrointestinal tract, lungs, and brain ( encephalitis) Herpes zoster is infectious to people who have not previously had chickenpox. Herpes zoster in the early months of pregnancy can harm the fetus, but luckily this is rare. Shingles in late pregnancy can cause chickenpox in the fetus or newborn. Cutaneous features of periorificial dermatitis include: An acneiform eruption. Clusters of skin-coloured to red papules, vesicles, and pustules. Usually less than 2mm each; may coalesce into larger lesions. …Authoritative facts about the skin from DermNet New Zealand. DermNet provides Google Translate, a free machine translation service. Note that this may not provide an exact translation in all languages. Topics A-Z. Images. Cases. Jobs. AI dataset. More . Skin checker; About; Browse ... The Australian and New Zealand Melanoma …Keratoacanthoma (KA) is a common, rapidly growing, locally destructive skin tumour . KAs may regress spontaneously with scarring, but clinically they may be indistinguishable from well- differentiated squamous cell carcinoma (SCC) and the clinical course may be unpredictable. Thus, many clinicians and pathologists prefer the term SCC, KA-type ...Erythema multiforme is an immune-mediated, typically self-limiting, mucocutaneous condition characterised by ‘target’ lesions . Significant mucosal involvement distinguishes erythema multiforme major from multiforme minor. Episodes can be isolated, recurrent, or persistent. In most cases, erythema multiforme is precipitated by herpes ...What are the clinical features of guttate psoriasis? Acute onset over days. Numerous small patches (<1 cm) Pink, scaly, thin patches or plaques of psoriasis. Scale can be subtle in early lesions. Widespread lesions predominantly over the trunk and limbs. Lesions on the face, scalp, and ears tend to be faint and short-lived. Welcome to our image library. over 20,000 clinical dermatology images from DermNet. DermNet provides Google Translate, a free machine translation service. Note that this may not provide an exact translation in all languages Schamberg disease ( progressive pigmented purpura) Schamberg disease is the most common type of capillaritis. Regular or irregular crops of red-brown flat patches with cayenne pepper spots on their borders appear for no apparent reason. Although most common on the lower legs, the Schamberg form of capillaritis can arise on any part of the body. Hand, foot, and mouth disease (HFMD or HFM) is a common, self-limiting, viral infection that causes blisters on the hands, feet, and inside or around the mouth. It mainly affects children under the age of 5 years. HFMD, also called enteroviral vesicular stomatitis, occurs sporadically worldwide. Epidemics are most common during warm weather ...The cystic hygroma (also called ‘cystic lymphangioma’ and ‘lymphangioma cysticum’) is a ‘ macrocytic ’ lymphatic malformation, and is composed of large fluid-filled spaces. It appears as a skin coloured, … Scabies is a transmissible skin disease caused by the ectoparasitic mite Sarcoptes scabiei var. hominis. This variant infests humans only; scabies cannot be caught or transferred to other animals. Scabies is a highly contagious infestation of the human epidermis. Scabies was described by Aristotle who likened the disease to lice of the flesh. Pityriasis rosea is a self-limiting rash that resolves in about 6–10 weeks. It is characterised by a large circular or oval "herald patch" on the chest, abdomen, or back, followed by … Infection of internal organs, including the gastrointestinal tract, lungs, and brain ( encephalitis) Herpes zoster is infectious to people who have not previously had chickenpox. Herpes zoster in the early months of pregnancy can harm the fetus, but luckily this is rare. Shingles in late pregnancy can cause chickenpox in the fetus or newborn. The term atypical naevus is sometimes used to mean any funny-looking mole, and sometimes to mean a melanocytic lesion that is suspected of being a melanoma (a cancerous mole). One definition of an atypical naevus is a mole with at least 3 of the following features. Size > 5 mm diameter. Ill-defined or blurred borders. Lymphogranuloma venereum (LGV) is a sexually transmitted infection (STI) caused by specific strains (serovars L1, L2, and L3) of the bacteria Chlamydia trachomatis. The more common non-LGV, C. trachomatis infection, commonly known as chlamydia, is largely restricted to the initial local mucosal site of infection, whereas LGV …A medium congenital melanocytic naevi is 1.5–19.9 cm. A large or giant congenital melanocytic naevus is ≥ 20 cm in diameter. A modification of the above criteria is used in some centres [2] in an effort to increase the accuracy of classification. Small congenital melanocytic naevi are < 1.5 cm in diameter.Contact dermatitis (also called contact eczema) refers to a group of skin disorders in which the skin reaction is due to direct contact with the causative agent. The term dermatitis implies that the outside layers of skin are affected. It can be acute (a single episode) or chronic ( persistent ). Dermatitis is nearly always itchy.Definition. Dermatology is the medical discipline that is concerned with the diagnosis and treatment of diseases of the skin, hair, and nails in both children and adults. Specialists in dermatology are called dermatologists.. The New Zealand Dermatological Society’s definition is comprehensive: “Dermatology involves but is not limited to study, research, …DermNet NZ is a comprehensive online resource for skin health information. Learn about psoriasis, a chronic inflammatory skin condition with red and scaly plaques, its types, causes, diagnosis and treatment options.Pityriasis rosea is a self-limiting rash that resolves in about 6–10 weeks. It is characterised by a large circular or oval "herald patch" on the chest, abdomen, or back, followed by … Schamberg disease ( progressive pigmented purpura) Schamberg disease is the most common type of capillaritis. Regular or irregular crops of red-brown flat patches with cayenne pepper spots on their borders appear for no apparent reason. Although most common on the lower legs, the Schamberg form of capillaritis can arise on any part of the body. Chronic paronychia is a gradual process. It may start in one nail fold, particularly the proximal nail fold, but often spreads laterally and to several other fingers. Each affected nail fold is swollen and lifted off the nail plate. This allows the entry of organisms and irritants. The affected skin may be red and tender from time to time, and ...A list of the most commonly used key terms and phrases in dermatology.What are white nails? A white nail, also known as leukonychia, is the partial or full discolouration of the nail plate on one or more fingernails or toenails. White nails are the most common nail dyschromia. The nail will lose its general pink undertone and appear white.Pityriasis rosea is a self-limiting rash that resolves in about 6–10 weeks. It is characterised by a large circular or oval "herald patch" on the chest, abdomen, or back, followed by …What is seborrhoeic dermatitis? Seborrhoeic dermatitis is a common, chronic, or relapsing form of eczema /dermatitis that mainly affects the sebaceous gland -rich regions of the …What are white nails? A white nail, also known as leukonychia, is the partial or full discolouration of the nail plate on one or more fingernails or toenails. White nails are the most common nail dyschromia. The nail will lose its general pink undertone and appear white. Treatment of seborrhoeic dermatitis often involves several of the following options. Keratolytics : used to remove scale when necessary, e.g. salicylic acid, lactic acid, urea, propylene glycol. Topical antifungal agents: applied to reduce Malassezia e.g. ketoconazole, or ciclopirox shampoo and/or cream. Pityriasis rosea is a self-limiting rash that resolves in about 6–10 weeks. It is characterised by a large circular or oval "herald patch" on the chest, abdomen, or back, followed by …Urticaria pigmentosa. Urticaria pigmentosa is a form of cutaneous mastocytosis in which there are brown macules and papules. Urticaria pigmentosa is mostly seen in infants and improves with age. It may also arise in adults when it tends to persist. Lesions may affect trunk and limbs, and less often scalp and face. Measles vaccine induces long-term (probably life-long) immunity in most individuals. Vaccination schedules recommend a two-dose immunisation strategy; the first dose at 12–15 months of age, followed by a second dose at 4–6 years. Measles vaccine should not be given during pregnancy. Treatment of seborrhoeic dermatitis often involves several of the following options. Keratolytics : used to remove scale when necessary, e.g. salicylic acid, lactic acid, urea, propylene glycol. Topical antifungal agents: applied to reduce Malassezia e.g. ketoconazole, or ciclopirox shampoo and/or cream. Granuloma annulare may be a delayed hypersensitivity reaction to a component of the dermis or a reaction pattern to numerous triggers. Reported triggering events have included many skin infections and infestations, and types of skin trauma. Inflammation is mediated by tumour necrosis factor alpha ( TNF α). The reason this occurs is unknown. Skin conditions caused or aggravated by infection by malassezia include: Pityriasis versicolor – most often due to M. globosa, M. sympodialis and M. furfur. Malassezia folliculitis due to the yeast growing in the hair follicles where they produce inflammation. Steroid acne. Seborrhoeic dermatitis, dandruff, sebopsoriasis and facial or scalp ...Adults. Assess risk factors and comorbid disease of psoriasis at presentation and as indicated thereafter. Cardiovascular risk factors, and management of these (eg, smoking cessation ) Measure blood pressure, lipid studies and fasting glucose at least annually. Risk of venous thromboembolism and its management [1].Mohs micrographic surgery, or Mohs surgery, is a precise surgical technique in which the complete excision of skin cancer is checked by microscopic margin control. It offers the highest cure rates while maximizing preservation of healthy tissue. The principles behind it were developed by Dr Frederic Mohs in the 1930s. Risankizumab is an interleukin IL-23 antagonist indicated for the treatment of moderate-to-severe plaque psoriasis in adults who are candidates for systemic therapy or phototherapy [1]. Risankizumab was approved by the US Food and Drug Administration (FDA) in April 2019, in Japan in March 2019, and by the European Union in March 2019. See full list on dermnetnz.org A melanocytic naevus (American spelling ‘ nevus ’), or mole, is a common benign skin lesion due to a local proliferation of pigment cells ( melanocytes ). It is sometimes called a naevocytic naevus or just 'naevus' (but note that there are other types of naevi ). A brown or black melanocytic naevus contains the pigment melanin, so may also ... Avoid use of soaps and detergents. Keep fingernails short. Keep skin hydrated. Eczema is characterised by reduced skin barrier function, which leads to enhanced water loss and dry skin, therefore, hydrate with warm soaking baths for at least 10 minutes followed by application of moisturiser/ emollient.Angular cheilitis is a common, non-contagious, inflammatory condition affecting the corners of the mouth or oral commissures. Depending on the underlying cause, it may last a few days or persist indefinitely. It is also called angular stomatitis, cheilosis, rhagades, or perleche (perlèche). Guttate psoriasis is a clinical diagnosis, aided by dermoscopy, which can be confirmed on skin biopsy. Examination and investigations should include a search for streptococcal infection. Tests may include: Swabs for bacteriology. Blood tests — Anti-streptolysin O titre (ASOT), anti-DNase B titre. Scalp tumours occur worldwide. Most scalp tumours (93–99%) are benign as opposed to malignant. Approximately 40–50% of benign scalp tumours are cysts with an estimated 20% incidence in Western populations. Trichilemmal (or pilar) cysts are especially common and it is estimated 80% of these cysts occur on the scalp. Measles vaccine induces long-term (probably life-long) immunity in most individuals. Vaccination schedules recommend a two-dose immunisation strategy; the first dose at 12–15 months of age, followed by a second dose at 4–6 years. Measles vaccine should not be given during pregnancy. Risankizumab is an interleukin IL-23 antagonist indicated for the treatment of moderate-to-severe plaque psoriasis in adults who are candidates for systemic therapy or phototherapy [1]. Risankizumab was approved by the US Food and Drug Administration (FDA) in April 2019, in Japan in March 2019, and by the European Union in March 2019.Hereditary haemorrhagic telangiectasia (HHT) is also known as Osler-Rendu-Weber syndrome. It is a rare inherited disorder that affects blood vessels throughout the body and is characterised by a tendency for bleeding ( haemorrhage, American spelling ‘hemorrhage’), in particular recurrent epistaxis (nosebleeds); and skin telangiectasia …Metastatic calcinosis cutis occurs in the setting of abnormal calcium and phosphate metabolism and is often associated with hypercalcaemia and/or hyperphosphataemia. Conditions that can cause metastatic calcinosis cutis may include: Primary or secondary hyperparathyroidism. Paraneoplastic hypercalcaemia. Destructive bone disease, such … Scabies is a transmissible skin disease caused by the ectoparasitic mite Sarcoptes scabiei var. hominis. This variant infests humans only; scabies cannot be caught or transferred to other animals. Scabies is a highly contagious infestation of the human epidermis. Scabies was described by Aristotle who likened the disease to lice of the flesh. Mohs micrographic surgery, or Mohs surgery, is a precise surgical technique in which the complete excision of skin cancer is checked by microscopic margin control. It offers the highest cure rates while maximizing preservation of healthy tissue. The principles behind it were developed by Dr Frederic Mohs in the 1930s.Darier disease is an autosomal dominant genetic disorder classified as a hereditary acantholytic dermatosis. Darier disease typically presents with scaly crusted papules in a seborrhoeic distribution and in skin folds. Also …Malassezia folliculitis, also known as pityrosporum folliculitis, is an infection of the pilosebaceous unit caused by lipophilic Malassezia yeasts particularly M. globosa, M. sympodialis and M. restricta. Malassezia yeast are normal inhabitants of the human skin surface and only cause disease under specific conditions. Introduction. If you don't find what you are looking for on this page, try DermNet's Glossary of Dermatology Terms or Dermatological diagnoses often have more than one name. . DermNet refers to various resources when naming conditions, including the World Health Organisation (WHO)'s International Classification of Diseases (see ICD11 coding tool), and the Systematized Nomenclature of Medicine ... By definition, dermographism appearing at least 30 minutes after stroking. It may be described after a typical weal of immediate dermographism comes and goes, 3–6 hours later a wide weal reappears without a flare at the same site and persists for up to 48 hours. Associated with burning and tenderness of the weal.There are many types of drug eruption, which range from a clinically mild and unnoticed rash to a severe cutaneous adverse reaction (SCAR) that may be life-threatening. The most common drug eruptions are: Morbilliform or exanthematous drug eruption. Urticaria and/or angioedema (which rarely leads to anaphylaxis ). SCARs are rare: Keratoacanthoma (KA) is a common, rapidly growing, locally destructive skin tumour . KAs may regress spontaneously with scarring, but clinically they may be indistinguishable from well- differentiated squamous cell carcinoma (SCC) and the clinical course may be unpredictable. Thus, many clinicians and pathologists prefer the term SCC, KA-type ... Risankizumab is an interleukin IL-23 antagonist indicated for the treatment of moderate-to-severe plaque psoriasis in adults who are candidates for systemic therapy or phototherapy [1]. Risankizumab was approved by the US Food and Drug Administration (FDA) in April 2019, in Japan in March 2019, and by the European Union in March 2019. Scabies is a transmissible skin disease caused by the ectoparasitic mite Sarcoptes scabiei var. hominis. This variant infests humans only; scabies cannot be caught or transferred to other animals. Scabies is a highly contagious infestation of the human epidermis. Scabies was described by Aristotle who likened the disease to lice of the flesh. Cold urticaria is a relatively uncommon form of chronic inducible urticaria. Urticarial weals develop after being exposed to cold, cold water, and cold objects. Acquired cold urticaria is now understood to be a completely different disorder from familial cold autoinflammatory syndrome (FCAS), previously known as hereditary cold urticaria.Alopecia areata is an autoimmune condition affecting hair follicles causing hair loss. It typically presents with discrete bald patches on the scalp but can cause hair loss from all hair-bearing areas on the body. Alopecia is a Latin term meaning hair loss, and areata refers to the patchy nature of the hair loss.Notalgia paraesthetica is a form of cutaneous dysaesthesia where itch and/or changed sensation arise in the areas of skin on the medial aspect of the shoulder blade on either side of the back. Notalgia means pain in the back, and paraesthetica refers to burning pain, tingling or itch. It is also called thoracic cutaneous nerve entrapment syndrome.Keratoacanthoma (KA) is a common, rapidly growing, locally destructive skin tumour . KAs may regress spontaneously with scarring, but clinically they may be indistinguishable from well- differentiated squamous cell carcinoma (SCC) and the clinical course may be unpredictable. Thus, many clinicians and pathologists prefer the term SCC, KA-type ...Infection of internal organs, including the gastrointestinal tract, lungs, and brain ( encephalitis) Herpes zoster is infectious to people who have not previously had chickenpox. Herpes zoster in the early months of pregnancy can harm the fetus, but luckily this is rare. Shingles in late pregnancy can cause chickenpox in the fetus or newborn.Eczema herpeticum is a disseminated viral infection characterised by fever and clusters of itchy blisters or punched-out erosions. It is most often seen as a complication of atopic dermatitis /eczema. Eczema herpeticum is also known as Kaposi varicelliform eruption because it was initially described by Kaposi in 1887, who thought it resembled ...DermNet is an authoritative source of clinically helpful information and an excellent image library for my own clinical practice, as well as for teaching students. Marion Hill. General …Contact dermatitis (also called contact eczema) refers to a group of skin disorders in which the skin reaction is due to direct contact with the causative agent. The term dermatitis implies that the outside layers of skin are affected. It can be acute (a single episode) or chronic ( persistent ). Dermatitis is nearly always itchy.Malassezia folliculitis, also known as pityrosporum folliculitis, is an infection of the pilosebaceous unit caused by lipophilic Malassezia yeasts particularly M. globosa, M. sympodialis and M. restricta. Malassezia yeast are normal inhabitants of the human skin surface and only cause disease under specific conditions.Angioedema is caused by an increase in local capillary permeability and plasma extravasation, usually mediated by mast cells, histamine, or bradykinin release. Angioedema is most commonly histamine-mediated; mast cell and basophil stimulation results in histamine release. Angioedema with urticaria tends to suggest a histaminergic …Contact dermatitis (also called contact eczema) refers to a group of skin disorders in which the skin reaction is due to direct contact with the causative agent. The term dermatitis implies that the outside layers of skin are affected. It can be acute (a single episode) or chronic ( persistent ). Dermatitis is nearly always itchy.See full list on dermnetnz.org Hidradenitis suppurativa (HS), also called acne inversa, is a chronic inflammatory skin condition that affects apocrine gland -bearing skin in the axillae, groin, and under the breasts. It is characterised by persistent or recurrent boil-like nodules and abscesses that culminate in a purulent discharge, sinuses, and scarring.Dyshidrotic eczema (pompholyx) is a chronic, recurrent condition and appears as small, deep-seated, fluid-filled blisters (vesicles) on the sides of the fingers, hands, and feet. The vesicles are small (1–2mm), often symmetrical, with no associated erythema, and they do not occur elsewhere on the body. Vesicles may coalesce into larger blisters.Dermatitis herpetiformis (DH) is an inflammatoryimmunobullous disease of the skin and a cutaneousmanifestation of coeliac (celiac) disease, a gluten-sensitive enteropathy. The name herpetiformis is derived from the tendency for blisters to appear in clusters, resembling herpes simplex. However, DH is not due to viral infection.Gucci.jp, Nissan of new rochelle, Sexy video, Riverfront park charleston sc, Walmart excelsior springs mo, Capital health ob gyn, Thelaundress, Movie tavern brookfield, Borderfcu, Oregonian sports, Clements funeral home durham, Boomers near me, Una florence, Wellfield

Mohs micrographic surgery, or Mohs surgery, is a precise surgical technique in which the complete excision of skin cancer is checked by microscopic margin control. It offers the highest cure rates while maximizing preservation of healthy tissue. The principles behind it were developed by Dr Frederic Mohs in the 1930s.. Mazda of jackson

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A melanocytic naevus (American spelling ‘ nevus ’), or mole, is a common benign skin lesion due to a local proliferation of pigment cells ( melanocytes ). It is sometimes called a naevocytic naevus or just 'naevus' (but note that there are other types of naevi ). A brown or black melanocytic naevus contains the pigment melanin, so may also ... New Zealand training programme for specialist dermatologists Dermatology practice guidelines Dermatology conferences Teledermatology Image library Donate Volunteer: Guidelines for authors. Skin infections. Bacterial skin infections Fungal skin infections Arthropods, helminths and other bugs Viral skin infections. Body sites. Arm Body folds or ...DermNet™ is a website that provides reliable information on how to care for skin conditions, by experts in dermatology. You can find pages on various skin diseases, treatments, …Tofacitinib (Xeljanz, Xeljanz XR ®, US) is an oral small- molecule inhibitor of Janus kinase (JAK) 1 and 3 that is used to treat psoriatic arthritis, rheumatoid arthriti s, inflammatory bowel disease, and ankylosing spondylitis. JAK enzymes respond to extracellular growth factors, and cytokines which activate signal transduction and cell ... Basal cell naevus syndrome is a rare genetic cancer syndrome characterised by multiple early onset basal cell carcinomas, odontogenic keratocysts and other tumours, and other abnormalities. Basal cell naevus syndrome (BCNS) is probably best known as Gorlin syndrome, and is also called naevoid basal cell carcinoma syndrome, amongst many other names. This refers to a depression in the skin due to the elastic tissue within the dermis that is lost. Less commonly, acne scarring can result in a keloid or hypertrophic scar. A hypertrophic scar is the same size as the acne lesion that caused it, while a keloid scar is an excessive scar formation often larger than the causative lesion.COVID-19 (coronavirus disease 2019) is a contagious viral disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). COVID-19 was first reported in December 2019 after a cluster of pneumonia cases in. Wuhan, China. It subsequently spread worldwide, prompting the World Health Organization (WHO) to declare a global pandemic ...What is cellulitis? Cellulitis is a common bacterial skin infection of the lower dermis and subcutaneous tissue. It results in a localised area of red, painful, swollen skin, and systemic symptoms. Left untreated, cellulitis can be life-threatening. Similar symptoms are experienced with the more superficial infection, erysipelas, so cellulitis and erysipelas …Eczema herpeticum is a disseminated viral infection characterised by fever and clusters of itchy blisters or punched-out erosions. It is most often seen as a complication of atopic dermatitis /eczema. Eczema herpeticum is also known as Kaposi varicelliform eruption because it was initially described by Kaposi in 1887, who thought it resembled ...Notalgia paraesthetica is a form of cutaneous dysaesthesia where itch and/or changed sensation arise in the areas of skin on the medial aspect of the shoulder blade on either side of the back. Notalgia means pain in the back, and paraesthetica refers to burning pain, tingling or itch. It is also called thoracic cutaneous nerve entrapment syndrome.Contact dermatitis (also called contact eczema) refers to a group of skin disorders in which the skin reaction is due to direct contact with the causative agent. The term dermatitis implies that the outside layers of skin are affected. It can be acute (a single episode) or chronic ( persistent ). Dermatitis is nearly always itchy. Dermatomyositis is thought to be caused by a microangiopathy affecting skin and muscle. There is a genetic predisposition to the development of dermatomyositis such as the PTPN22 gene and HLA associations identified include: Anti-Mi-2 antibodies: HLA DRB1*07 and DQA*0201. Silica exposure — in tradespeople. Parkes-Weber syndrome refers to the association of a capillary vascular malformation with an arteriovenous malformation. The birthmark tends to be quite large. It is often faint pink, but may also be bright red in colour. The affected limb is warmer and longer than the other side, though of normal shape.Darier disease is an autosomal dominant genetic disorder classified as a hereditary acantholytic dermatosis. Darier disease typically presents with scaly crusted papules in a seborrhoeic distribution and in skin folds. Also …What are the clinical features of guttate psoriasis? Acute onset over days. Numerous small patches (<1 cm) Pink, scaly, thin patches or plaques of psoriasis. Scale can be subtle in early lesions. Widespread lesions predominantly over the trunk and limbs. Lesions on the face, scalp, and ears tend to be faint and short-lived. Macular amyloidosis is generally pruritic, although the degree of pruritus varies from mild to severe. It can assume a subtle rippled or reticulated pattern, which resembles the ‘seafloor pattern’ seen in lichen amyloidosis. Macular amyloidosis may co-exist with lichen amyloidosis in up to 25% of affected patients [9]. Verruciform xanthoma. Verruciform xanthoma is a rare entity not associated with dyslipidaemias. It most commonly affects the mouth, where it is found as a solitary, asymptomatic lesion on the gingiva and is associated with chronic graft-versus-host disease. On the genitalia, it has been called a Vegas (verruciform genital-associated) …Neurofibromatosis 1. NF1 occurs in about 1 in 3000 births. It also known as von Recklinghausen disease. It is characterised by the presence of: 6 or more café-au-lait macules — flat light brown birthmarks. Freckling in skin folds. Lisch nodules in the iris of the eye. Multiple neurofibromas — tumours that hang off the skin.Tofacitinib (Xeljanz, Xeljanz XR ®, US) is an oral small- molecule inhibitor of Janus kinase (JAK) 1 and 3 that is used to treat psoriatic arthritis, rheumatoid arthriti s, inflammatory bowel disease, and ankylosing spondylitis. JAK enzymes respond to extracellular growth factors, and cytokines which activate signal transduction and cell ...301 Moved Permanently. nginx/1.10.3Scalp psoriasis is a skin condition characterised by red, thickened, well- demarcated patches or plaques with overlying silvery-white scales, affecting part or all of the scalp. It can be contained within the hairline, though frequently affects the back of the head, or extends onto the forehead ( facial psoriasis ), ears, or neck. Urticaria is characterised by very itchy weals (hives), with or without surrounding erythematous flares. The name urticaria is derived from the common European stinging nettle Urtica dioica . Urticaria can be acute or chronic, spontaneous or inducible. A weal (or wheal) is a superficial skin-coloured or pale skin swelling, usually surrounded by ... It feels soft and smooth and is easily moved under the skin with the fingers. It may have a rubbery or doughy consistency. Lipomas are most common on the shoulders, neck, trunk and arms, but they can occur anywhere on the body where fat tissue is present. Most lipomas are symptomless, but some are painful when applying pressure.Cherry angioma is an asymptomatic firm red, blue, or purple papule, 0.1–1 cm in diameter. When thrombosed, it can appear black in colour until examined with a dermatoscope when the red or purple colour is more easily seen. Cherry angiomas are usually multiple. They are usually scattered over any part of the body surface, but are rarely found ...It feels soft and smooth and is easily moved under the skin with the fingers. It may have a rubbery or doughy consistency. Lipomas are most common on the shoulders, neck, trunk and arms, but they can occur anywhere on the body where fat tissue is present. Most lipomas are symptomless, but some are painful when applying pressure.Malignant melanoma may arise from melanocytes found on the skin or rarely from mucosal surfaces, under the nails and in the meninges. Melanoma may arise from common acquired naevi or from dysplastic naevi. They may also arise from the solar lentigo or atypical lentigo. Most arise de novo. The dermoscopic features are enormously variable.Athlete's foot is a term often used to describe a fungal infection (or dermatophytosis) of the foot ( tinea pedis ). It most often results in peeling skin and fissuring between the toes (the toe clefts ). The cleft between the fourth and fifth toes is the most frequently affected. Fungal infection is not the only reason for peeling and ... Keratoacanthoma (KA) is a common, rapidly growing, locally destructive skin tumour . KAs may regress spontaneously with scarring, but clinically they may be indistinguishable from well- differentiated squamous cell carcinoma (SCC) and the clinical course may be unpredictable. Thus, many clinicians and pathologists prefer the term SCC, KA-type ... Guttate psoriasis is a clinical diagnosis, aided by dermoscopy, which can be confirmed on skin biopsy. Examination and investigations should include a search for streptococcal infection. Tests may include: Swabs for bacteriology. Blood tests — Anti-streptolysin O titre (ASOT), anti-DNase B titre. The Australian and New Zealand Melanoma Guidelines report that metastases are rare for melanomas < 0.75mm and the risk for tumours 0.75–1 mm thick is about 5%. The risk steadily increases with thickness so that melanomas > 4 mm result in a 10-year survival of around 50%, according to the American Joint Committee on Cancer (AJCC) statistics. Dermatitis herpetiformis (DH) is an inflammatoryimmunobullous disease of the skin and a cutaneousmanifestation of coeliac (celiac) disease, a gluten-sensitive enteropathy. The name herpetiformis is derived from the tendency for blisters to appear in clusters, resembling herpes simplex. However, DH is not due to viral infection. Alopecia areata is an autoimmune condition affecting hair follicles causing hair loss. It typically presents with discrete bald patches on the scalp but can cause hair loss from all hair-bearing areas on the body. Alopecia is a Latin term meaning hair loss, and areata refers to the patchy nature of the hair loss.Sun damage ( photoageing, actinic keratoses) Repeated prior episodes of sunburn. Fair skin, blue eyes and blond or red hair — note; BCC can also affect darker skin types. Previous cutaneous injury, thermal burn, disease (eg cutaneous lupus, sebaceous naevus) Inherited syndromes: BCC is a particular problem for families with basal cell naevus ...A medium congenital melanocytic naevi is 1.5–19.9 cm. A large or giant congenital melanocytic naevus is ≥ 20 cm in diameter. A modification of the above criteria is used in some centres [2] in an effort to increase the accuracy of classification. Small congenital melanocytic naevi are < 1.5 cm in diameter.Welcome to our image library. over 20,000 clinical dermatology images from DermNet. DermNet provides Google Translate, a free machine translation service. Note that this …Molluscum contagiosum is caused by a poxvirus, the molluscum contagiosum virus. There are at least 4 viral subtypes. Sexual transmission in adults. Transmission of molluscum contagiosum appears to be more likely in wet conditions, such as when children bathe or swim together. Photodynamic therapy (PDT) is a treatment used mainly for superficial types of skin cancer. PDT is effective in treating actinic keratoses, in situ squamous cell carcinoma (Bowen disease), and superficial basal cell carcinomas. It may also be used for treatment of small, thin, low-risk nodular basal cell carcinomas outside of the head and neck ... Sun damage ( photoageing, actinic keratoses) Repeated prior episodes of sunburn. Fair skin, blue eyes and blond or red hair — note; BCC can also affect darker skin types. Previous cutaneous injury, thermal burn, disease (eg cutaneous lupus, sebaceous naevus) Inherited syndromes: BCC is a particular problem for families with basal cell naevus ... Darier disease is an autosomal dominant genetic disorder classified as a hereditary acantholytic dermatosis. Darier disease typically presents with scaly crusted papules in a seborrhoeic distribution and in skin folds. Also …Alopecia areata is an autoimmune condition affecting hair follicles causing hair loss. It typically presents with discrete bald patches on the scalp but can cause hair loss from all hair-bearing areas on the body. Alopecia is a Latin term meaning hair loss, and areata refers to the patchy nature of the hair loss. Dermatomyositis is thought to be caused by a microangiopathy affecting skin and muscle. There is a genetic predisposition to the development of dermatomyositis such as the PTPN22 gene and HLA associations identified include: Anti-Mi-2 antibodies: HLA DRB1*07 and DQA*0201. Silica exposure — in tradespeople. Dermatoporosis is a term used to describe chronic cutaneous insufficiency and fragility associated with both intrinsic and extrinsic ageing. The features of dermatoporosis include: Skin fragility and atrophy. Senile purpura. Stellate pseudoscars (star-shaped white patches) Non-healing atrophic ulcers. It feels soft and smooth and is easily moved under the skin with the fingers. It may have a rubbery or doughy consistency. Lipomas are most common on the shoulders, neck, trunk and arms, but they can occur anywhere on the body where fat tissue is present. Most lipomas are symptomless, but some are painful when applying pressure.Athlete's foot is a term often used to describe a fungal infection (or dermatophytosis) of the foot ( tinea pedis ). It most often results in peeling skin and fissuring between the toes (the toe clefts ). The cleft between the fourth and fifth toes is the most frequently affected. Fungal infection is not the only reason for peeling and ... Treatment of seborrhoeic dermatitis often involves several of the following options. Keratolytics : used to remove scale when necessary, e.g. salicylic acid, lactic acid, urea, propylene glycol. Topical antifungal agents: applied to reduce Malassezia e.g. ketoconazole, or ciclopirox shampoo and/or cream. Photodynamic therapy (PDT) is a treatment used mainly for superficial types of skin cancer. PDT is effective in treating actinic keratoses, in situ squamous cell carcinoma (Bowen disease), and superficial basal cell carcinomas. It may also be used for treatment of small, thin, low-risk nodular basal cell carcinomas outside of the head and neck ... Bimekizumab (Bimzelx®) is a novel humanised immunoglobulin (IgG1) monoclonal antibody used to treat moderate to severe plaque psoriasis, generalised pustular psoriasis, and psoriatic erythroderma. Bimekizumab selectively and directly inhibits interleukin 17A and 17F (IL-17A and IL-17F). It is produced in a genetically engineered …See full list on dermnetnz.org Alopecia areata is an autoimmune condition affecting hair follicles causing hair loss. It typically presents with discrete bald patches on the scalp but can cause hair loss from all hair-bearing areas on the body. Alopecia is a Latin term meaning hair loss, and areata refers to the patchy nature of the hair loss.Scalp psoriasis is a skin condition characterised by red, thickened, well- demarcated patches or plaques with overlying silvery-white scales, affecting part or all of the scalp. It can be contained within the hairline, though frequently affects the back of the head, or extends onto the forehead ( facial psoriasis ), ears, or neck.Moisturisers are products used to add moisture to the skin. Emollients are products used to soften and smooth skin (eg, lanolin, glycerol stearate). Although the terms emollient and moisturiser are often used synonymously, emollients can also be described as a specific ingredient of moisturisers. There are often a number of available moisturisers.Avoid use of soaps and detergents. Keep fingernails short. Keep skin hydrated. Eczema is characterised by reduced skin barrier function, which leads to enhanced water loss and dry skin, therefore, hydrate with warm soaking baths for at least 10 minutes followed by application of moisturiser/ emollient.Chronic paronychia is a gradual process. It may start in one nail fold, particularly the proximal nail fold, but often spreads laterally and to several other fingers. Each affected nail fold is swollen and lifted off the nail plate. This allows the entry of organisms and irritants. The affected skin may be red and tender from time to time, and ...Shoe contact dermatitis can be defined by dermatitis on the feet caused by any footwear consisting of multiple different materials. Contact dermatitis may be due to allergic (type IV hypersensitivity reaction) or irritant dermatitis. Shoe dermatitis represents approximately 10% of all persons attending for patch testing.This refers to a depression in the skin due to the elastic tissue within the dermis that is lost. Less commonly, acne scarring can result in a keloid or hypertrophic scar. A hypertrophic scar is the same size as the acne lesion that caused it, while a keloid scar is an excessive scar formation often larger than the causative lesion.Pemphigus vulgaris is a rare autoimmune disease that is characterised by painful blisters and erosions on the skin and mucous membranes, most commonly inside the mouth. Pemphigus vulgaris accounts for 70% of all pemphigus cases worldwide although it is extremely rare in New Zealand (about one case per million of the population).A melanocytic naevus (American spelling ‘ nevus ’), or mole, is a common benign skin lesion due to a local proliferation of pigment cells ( melanocytes ). It is sometimes called a naevocytic naevus or just 'naevus' (but note that there are other types of naevi ). A brown or black melanocytic naevus contains the pigment melanin, so may also ...Athlete's foot is a term often used to describe a fungal infection (or dermatophytosis) of the foot ( tinea pedis ). It most often results in peeling skin and fissuring between the toes (the toe clefts ). The cleft between the fourth and fifth toes is the most frequently affected. Fungal infection is not the only reason for peeling and ...Carotenoderma is due to carotenaemia. Primary carotenaemia is usually due to excessive intake of carotenoid-containing foods or supplements. Carotene is found in all pigmented fruits and vegetables. High levels are associated with a deep yellow, orange, or green colour. Examples of fruit and vegetables with a high β-carotene content include ... Treatment of seborrhoeic dermatitis often involves several of the following options. Keratolytics : used to remove scale when necessary, e.g. salicylic acid, lactic acid, urea, propylene glycol. Topical antifungal agents: applied to reduce Malassezia e.g. ketoconazole, or ciclopirox shampoo and/or cream. What is cellulitis? Cellulitis is a common bacterial skin infection of the lower dermis and subcutaneous tissue. It results in a localised area of red, painful, swollen skin, and systemic symptoms. Left untreated, cellulitis can be life-threatening. Similar symptoms are experienced with the more superficial infection, erysipelas, so cellulitis and erysipelas …The epidermis is the uppermost or epithelial layer of the skin. It acts as a physical barrier, preventing loss of water from the body, and preventing entry of substances and organisms into the body. Its thickness varies according to the body site. The epidermis consists of stratified squamous epithelium. That means it consists of layers of ...Malassezia folliculitis, also known as pityrosporum folliculitis, is an infection of the pilosebaceous unit caused by lipophilic Malassezia yeasts particularly M. globosa, M. sympodialis and M. restricta. Malassezia yeast are normal inhabitants of the human skin surface and only cause disease under specific conditions.DermNet is an authoritative source of clinically helpful information and an excellent image library for my own clinical practice, as well as for teaching students. Marion Hill. General …Presented at the Australasian College of Dermatologists ASM 49, Perth, Australia, 14–17 May 2016. AFP. Vekic DA, Frew JW, Woods J, Cains GD. Adopting the orphan: The importance of recognising hidradenitis suppurativa as a systemic auto-inflammatory disease. Australas J Dermatol 2016; 57: 69–70. Dermatoporosis is a term used to describe chronic cutaneous insufficiency and fragility associated with both intrinsic and extrinsic ageing. The features of dermatoporosis include: Skin fragility and atrophy. Senile purpura. Stellate pseudoscars (star-shaped white patches) Non-healing atrophic ulcers. Urticaria pigmentosa. Urticaria pigmentosa is a form of cutaneous mastocytosis in which there are brown macules and papules. Urticaria pigmentosa is mostly seen in infants and improves with age. It may also arise in adults when it tends to persist. Lesions may affect trunk and limbs, and less often scalp and face. DermDiag. The DermDiag Tool is designed to help you understand your skin condition. This tool does not provide medical advice. To get started, select the part of the body where you are experiencing symptoms. We suggest that you search our Glossary if you are unfamiliar with any dermatological terms. Schamberg disease ( progressive pigmented purpura) Schamberg disease is the most common type of capillaritis. Regular or irregular crops of red-brown flat patches with cayenne pepper spots on their borders appear for no apparent reason. Although most common on the lower legs, the Schamberg form of capillaritis can arise on any part of the body. New Zealand training programme for specialist dermatologists Dermatology practice guidelines Dermatology conferences Teledermatology Image library Donate Volunteer: Guidelines for authors. Skin infections. Bacterial skin infections Fungal skin infections Arthropods, helminths and other bugs Viral skin infections. Body sites. Arm Body folds or ...Dumping syndrome is the association of facial flushing with racing heart, sweating, dizziness, weakness, and tummy upset. Symptoms begin after gastric surgery and are provoked after a meal or ingestion of hot drinks or strong glucose. The syndrome becomes worse after the menopause.In New Zealand, a special authority application is required for a subsidy of biologic treatments [20,22]. A dermatologist is required to apply on behalf of the patient. The eligibility criteria include having 'whole body' severe chronic plaque psoriasis with a PASI score of > 10 (> 15 for infliximab) or severe chronic plaque psoriasis of the face, palm or …Cold urticaria is a relatively uncommon form of chronic inducible urticaria. Urticarial weals develop after being exposed to cold, cold water, and cold objects. Acquired cold urticaria is now understood to be a completely different disorder from familial cold autoinflammatory syndrome (FCAS), previously known as hereditary cold urticaria.Verruciform xanthoma. Verruciform xanthoma is a rare entity not associated with dyslipidaemias. It most commonly affects the mouth, where it is found as a solitary, asymptomatic lesion on the gingiva and is associated with chronic graft-versus-host disease. On the genitalia, it has been called a Vegas (verruciform genital-associated) …. 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