ARTICLES
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Clinical picture: Hair repigmentation in lentigo maligna Reinhard Dummer
A 76-year-old, grey-haired patient was informed by her hairdresser that she had a patch of repigmented hairs at the left side of the scalp. Clinical examination showed an area of heavily pigmented hair with irregular macular hyperpigmentation on the scalp (figure, top). A biopsy sample was taken. It showed an atrophic epidermis with pronounced elastosis and large melanocytic cells in the basal layer of the epidermis invading the upper parts of a hair follicle accompanied by lymphocytic inflammation (figure, bottom). There was striking hyperpigmentation in the hair roots without evidence of melanocytic invasion (inset). Lentigo maligna was diagnosed and treated by radiotherapy. The hair grew back grey. Department of Dermatology, University Hospital Zürich, Gloriastrasse 31, CH-8091 Zürich, Switzerland (Reinhard Dummer MD)
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For personal use only. Reproduce with permission from The Lancet Publishing Group.