Stretch marks (striae distensae) appear during pregnancy and are a nuisance for patients and physicians because, they are so easy to diagnose, but so difficult to treat effectively. -creams sold on the market are safe, but yet have to be shown scientifically to be effective. -recent stretch marks are red and the colour could be…
Jimbow K, Quevedo WC Jr, Prota G, Fitzpatrick TB: Biology of melanocytes; in Freedberg IM, Eisen AZ, Wolff K, Austen KF, Goldsmith LA, Katz SI, Fitzpathrick TB (eds): Fitzpatrick’s Dermatology in General Medicine. New York, McGraw-Hill, 1999, pp 192-219. d’Ischia, M., A. Napolitano, et al. (1991). Peroxidase as an alternative to tyrosinase in the oxidative…
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Pimecrolimus for Idiopathic Guttate Hypomelanosis Asawanonda P, Sutthipong T, Prejawai N. J. Drugs Dermatol. 2010; 9 (3): 238-239 Idiopathic guttate hypomelanosis (IGH) is a common skin disease. Its cause is unknown although sun would be involved in the developmement of the lesions. Tretaments are of limited succes and include cryotherapy, topical retinoids and dermabrasion. The…
Diagnosis and Differential Diagnosis
Dr Christophe Hsu – dermatologist. Geneva, Switzerland What is a vaginal discharge? It is caused by vaginal secretions and its colour can be: transparent whitish yellowish greenish Is a vaginal discharge abnormal? No, physiologic vaginal discharge may occur. These are then due to secretions by cells located on the vaginal wall and the cervix. The…
What is hepatitis B? It is an infection where the liver is inflamed due to an infection with the hepatitis B virus. There are many other viruses which may cause hepatitis (hepatitis A, hepatitis C, EBV, CMV…). How is hepatitis B transmitted? Sexual intercourse with an infected individual Transfusion of contaminated blood Infected mothers can…
The infection is normally transmitted during sexual intercourse or when there is a close skin-to-skin contact. The adult mite which gives rise to pubic lice (phthirus pubis) (crabs) measures between 1 and 2 mm of diameter and appears on the skin of the pubis as grey of red-brown spots. As for the eggs, they are…
What is scabies? Scabies is an infestation by a mite called sarcoptes scabiei. Transmission can occur while in close personal contact. In sexually active adults, transmission occurs often (but not only) sexually. Affected individuals can display small red itchy growths. These lesions are located on the genitalia or at other sites like the interdigital web…
What is Molluscum Contagiosum? Contrary to children, molluscum contagiosum is often sexually transmitted. The lesions appear as smooth and shiny bumps with a central depression in their centre. Often the appearance alone is sufficient to diagnose this condition. The clinical diagnosis can be confirmed by microscopic examination of the material contained within the lesions. Treatment…
