Posts Tagged ‘hypomélanose en gouttes idiopathique’

Idiopathic Guttate Hypomelanosis (IGH)

Monday, March 19th, 2012

Epidemiology: affects men and women of all ethnic backgrounds Etiology: sunlight could be a factor but genetic factory (family history) play a more important role Clinically: lesions are typically located on the shins and then on the arms Histology: melanocytes morphologically intact but melanization is suppressed (synthesis of melanin). Epidermis may be slightly atrophic Treatment: […]

Idiopathic guttate hypomelanosis

Saturday, November 28th, 2009

Dr Christophe HSU – dermatologist. Geneva, Switzerland What is idiopathic guttate hypomelanosis (IGH)  ? These are discrete porcelain-white spots measuring about 5mm in diameter. The lesions are localized on sun-exposed areas, more often on the forearms and shins. These spots are stable and do not tend to grow. Hairs located on the lesions are unaffected. […]

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