Posts Tagged ‘hypomélanose en gouttes idiopathique’
Idiopathic Guttate Hypomelanosis (IGH)
Monday, March 19th, 2012Epidemiology: 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, 2009Dr 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. […]