Pityriasis Rosea Dr Christophe HSU – dermatologist. Geneva, Switzerland What is pityriasis rosea? Pityriasis rosea is a kind of “skin flu”. It might also be caused by a virus. It is more common in young adults. It tends to have seasonal peaks. What does it look like? It is characterized clinically: initially, it presents as…
The sun is our ally because it is an indirect source of vitamin D production and contributes to our psychological well-being. However, the sun is also dangerous and participates actively in the development of skin cancers, melanoma being one example. Accessorily (if it can be said so), it is responsible for accelerated skin aging (wrinkles,…
Many products on the market promote effectiveness in the treatment of cellulite. According to us, we do not have knowledge of products which have shown effectiveness by penetrating the skin and dissolving the fibrous attachments (which are responsible for the appearance of cellulite). Creams against cellulite are often marketed by well known brands with wording…
What dermatologists hear the most are patient’s comments on how dry, oily their skin is… Here is how you can determine what type of skin you have: Normal skin Small pores Smooth on touch without feeling rough (dry skin) or oily Dry/sensitive skin Small pores with an oily secretion on the surface. Tarnishes itself and…
Dr Christophe HSU – dermatologist. Geneva, Switzerland Everybody sweats, women as much as men. Sweating is often perceived as unwanted and this alone explains why deodorants and other anti perspirants are so successful on the market. Some individuals sweat too much and this is called hyperhidrosis: social discomfort is present treatments include application of topicals…
What are the types of lupus erythematosus ? There are three types: Systemic (or acute) lupus erythematosus: important involvement of the internal organs with or without skin manifestations. Subacute lupus erythematosus: moderate internal involvement with cutaneous manifestations. Discoid (or chronic) lupus erythematosus: skin involvement only. How does lupus erythematosus appear on the skin? Generally speaking,…
Dr Christophe HSU – dermatologist. Geneva, Switzerland Crohn’s disease is an inflammatory disease of the digestive tract. It is clinically characterized by abdominal pain, bloody stools…Histologically, structures called granulomas are found in the inflammatory affected areas. We are interested in the skin problems which can be associated with this condition because we have observed therapeutical…
Dr. Christophe HSU – dermatologista. Genebra, Suíça O que é a lepra (hanseníase, morfeia, mal de Hansen, mal de Lázaro)? Trata-se de uma infecção por uma bactéria Mycobacterium leprae. Como é transmitida? É ainda pouco conhecida, mas a transmissão será através da via respiratória. Não é transmitida à nascença e até mesmo um contacto prolongado…
