Maladies inflammatoires de peau sur le cuir chevelu

Inflammatory Skin Diseases of the Scalp Dr Christophe Hsu – dermatologist. Geneva, Switzerland Seborrhoeic Dermatitis (Dandruff) The cause of seborrhoeic dermatitis is unknown. There are two types of seborrhoeic dermatitis: (i) infantile seborrhoeic dermatitis  – commonly seen in newborns and babies (ii) adult seborrhoeic dermatitis – commonly seen in middle-aged adults. Seborrhoeic dermatitis presents with…

Le Pityriasis Rosé de Gibert : une cause virale ?

Perioral abscess associated with isotretinoin. Beer K, Oakley H, Waibel J. J Drugs Dermatol. 2009 Nov;8(11):1034-6. “Watch out for patients developing infectious abscesses when on systemic isotretinoin treatment”. Patients on isotretinoin therapy have impaired skin and mucosal barrier function, thus rendering them more susceptible to infections. This case report highlights the need to suspect the…

Problèmes de peau autour des yeux

Dr Christophe Hsu – dermatologist. Geneva, Switzerland Eyelid Contact Dermatitis Cosmetics and cleansers are usually used on the eyelids or eyelashes. These can cause an irritant or allergic reaction in patients sensitive to such cosmetics and cleansers. Patients will complain of itching, burning and redness. Signs of contact dermatitis include blistering, redness and scaliness. If…

Tumeurs pré-cancereuses

Dr Christophe Hsu – dermatologist. Geneva, Switzerland Congenital moles These are moles that are present at birth. Such moles vary in sizes. They are usually present on the trunk. These congenital moles may develop into cancers (melanoma). Therefore, they should be removed whenever possible. The larger the congenital mole, the higher the risk of cancer…

Cancers de la peau

Dr Christophe HSU – dermatologist. Geneva, Switzerland What are skin cancers ? There are many types of skin cancers. The three common skin cancers are :- 1. Squamous Cell Carcinoma (SCC) This presents as a firm irregular fleshy growth usually on sun exposed skin. The growth can increase rapidly in size giving rise to a…