Tinea versicolor is more accurately called pityriasis versicolor. This is a common yeast infection on the trunk. Tinea incognito refers to a tinea infection in which the clinical appearance has changed because of inappropriate treatment. Tinea nigra is a mould infection (not a dermatophyte). It affects the palms or soles, which appear brown (on ...

Clinical features. Rosacea is characterized by mid-facial erythema, asymptomatic dome-shaped inflammatory papules and superficial pustules. The fleshy part of the nose may slowly enlarge with prominent pores and fibrous thickening (rhinophyma). Persistent swelling may also affect cheeks, earlobes, forehead and eyelids.

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.

Adult atopic dermatitis. Adult atopic dermatitis can take a variety of forms. It may continue in the school-age flexural pattern or become diffuse. Madarosis, nodular prurigo, and lichenification may follow chronic rubbing. Discoid and papular patterns can develop. For some who had atopic dermatitis in childhood with subsequent complete resolution, it …

Uncommon skin disorders in children. Acropustulosis of infancy. Acute haemorrhagic oedema of infancy. Bullous pemphigoid in childhood. Chronic bullous dermatosis of childhood. Granuloma gluteale infantum. Ichthyosis. Infantile …

What is rosacea? Rosacea is a chronic inflammatory skin condition predominantly affecting the central face and most often starts between the age of 30–60 years.. Rosacea is common and is characterised by persistent facial redness. It typically has a relapsing and remitting course, with symptoms controlled by lifestyle measures, general skin care, …

The 2018 WHO-EORTC classification of cutaneous T-cell lymphomas is summarised in the following tables with links to specific DermNet webpages. Table 1. Indolent forms of cutaneous T-cell lymphoma. Table 2. Aggressive forms of cutaneous T-cell lymphoma. CTCL, cutaneous T-cell lymphoma; EBV, Epstein-Barr Virus; LPD, lymphoproliferative …

Pityriasis rosea is a self-limiting rash, which resolves in about 6–10 weeks. It is characterised by a large circular or oval "herald patch ", usually found on the chest, abdomen, or back. The herald patch is followed some time later, typically two weeks or so, by the development of smaller scaly oval red patches, resembling a Christmas tree ...

E-learning for students and healthcare professionals. DermNet's CME courses provide high-quality, evidence-based information on a range of dermatological topics. Warning: many of these courses were prepared in the early 2000s and may now be out of date. We seek volunteers to update the content. Contact us.

Guidelines of Care for many skin diseases and procedures/treatments are published in the Journal of the American Academy of Dermatology. Canadian Dermatology Association Clinical Practice Guidelines explained (1 March 2017). European Reference Networks – Skin Guidelines. Some links on this page take you outside the NZ DermNet website.

DermNet NZ is the world's free resource and authority on all things skin.

The usual presentation of the disease is classical lichen planus. Symptoms can range from none (uncommon) to intense itch. Papules and polygonal plaques are shiny, flat-topped, and firm on palpation. The plaques are crossed by fine white lines called Wickham striae.

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 ...

Pityriasis rosea is a self-limiting rash, which resolves in about 6–10 weeks. It is characterised by a large circular or oval "herald patch", usually found on the chest, abdomen, or back. The herald patch is followed some time …

What is granuloma annulare?. Granuloma annulare (GA) is a common inflammatory skin condition typified clinically by annular, smooth, discoloured papules and plaques, and necrobiotic granulomas on histology.Granuloma annulare is more correctly known as necrobiotic papulosis. Who gets granuloma annulare? Granuloma annulare is seen …

Seborrhoeic dermatitis is a common chronic erythematous scaly dermatosis that may arise in adolescents. It is more prevalent in middle-aged adults. Skin flexures especially nasolabial fold, postauricular fold, axillae and groin. As in infants, seborrhoeic dermatitis appears to be an inflammatory response to malassezia.

Reproduced with permission from ©DermNet NZ and ©Waikato District Health Board 2022. Atopic Dermatitis . Atopic dermatitis is a chronic skin rash more commonly known as …

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 ...

Tinea infections. Tinea barbae (fungal infection of the beard) Tinea capitis (fungal infection of the scalp) Tinea corporis (fungal infection of the trunk and limbs) Tinea cruris (fungal infection of the groin) Tinea faciei (fungal infection of the face) Tinea incognito (steroid-treated fungal infection) Tinea manuum (fungal infection of the hand)

DermNet is a not-for-profit, independent health publishing organisation with a mission to make authoritative information about the skin accessible to anyone in the world. We have information about almost every skin condition and have a library of over 20,000 dermatology images. All of our content is created or reviewed by a dermatologist and we ...

Chronic plaque psoriasis often presents as 'large plaque' or 'small plaque' psoriasis. Large plaque psoriasis commonly has an early age of onset (<40 years) and is often associated with a family history of psoriasis. Small plaque psoriasis may arise at any age but often arises in those over 40 years of age. Family history is less common.

Seborrhoeic dermatitis is a common, chronic, or relapsing form of eczema /dermatitis that mainly affects the sebaceous gland -rich regions of the scalp, face, and trunk. There are infantile and adult forms of seborrhoeic dermatitis. This benign inflammatory condition is sometimes associated with psoriasis and is known as sebopsoriasis.

Authoritative facts 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 ... DermNet does not provide an online consultation service. If you have any concerns with your skin or its treatment, see a dermatologist for advice. ...

MelNet is a network of professionals committed to reducing the incidence and impact of melanoma in New Zealand. Our Challenge. The control of melanoma in New Zealand …

Kömür Katranı. Madenden çıkarılan kömür maddelerinin damıtılması ile meydana gelen kömür katranı naftaline benzeyen bir kokuya ve siyah bir renge sahiptir. Diğer katranlarda olduğu gibi patlayıcı bir etkiye sahip olan kömür katranı genellikle yalıtım malzemesi olarak kullanılır. Ayrıca yol kaplama çalışmalarında ...

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 most common side-effect is skin pain and local irritation. It is not currently available in New Zealand (July 2018). Roflumilast. Topical roflumilast 0.3% cream (Zorvye™) was approved by the FDA in 2022 for the treatment of plaque psoriasis in patients aged 12 years and older. This is the first topical PDE4 inhibitor approved for use in ...

Authoritative facts 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. ... DermNet does not provide an online consultation service. If you have any concerns with your skin or its treatment, see a ...

Periorificial dermatitis is a common facial skin problem characterised by groups of itchy or tender small red papules. The area around the eyes, nose, and mouth are most commonly affected, however papules may also be found on the genitals. The characteristics of facial periorificial dermatitis are as follows.

A dermatome is an area of skin that is primarily supplied by a single nerve root: communicating sensation from this skin region to the brain. Somatosensation includes feedback from mechanoreceptors, thermoreceptors, proprioceptors, pain receptors, and chemoreceptors. Dermatomes are different from Blaschko lines.

About DermNet. DermNet is the world's leading free dermatology resource. DermNet is created for healthcare professionals to serve as a comprehensive database of skin conditions. Nearly everyone will experience a skin issue at some point in their lives and having a trustworthy, independent, easily accessible source of information is important ...

Introduction. Genital skin problems are very common and can be very itchy or painful, distressing and embarrassing. They can interfere with sexual functioning, self-image and interpersonal relationships. Some genital disorders are contagious, including sexually transmitted diseases. This page provides links to information On DermNet about skin ...