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Article
May 1995

Melanoma of the Scalp Presenting as Poliosis Circumscripta

Author Affiliations

USA

USA

USA

USA

USA Clinic 1-J, Dermatology Walter Reed Army Medical Center Washington, DC 20307

Arch Dermatol. 1995;131(5):618-619. doi:10.1001/archderm.1995.01690170122027
Abstract

The scalp is an uncommon site for melanoma to occur, and lesions often present in an advanced state. Their high rate of metastasis may be related to the rich blood and lymphatic supply. We present a patient who developed poliosis circumscripta. This sign served as a clue for the diagnosis of his scalp melanoma.

Report of a Case.  A 42-year-old man presented for evaluation of poliosis circumscripta and an underlying darkly pigmented scalp lesion. Two years previously, the patient noticed a localized graying of his left temporal hair. Over time, the area of graying expanded, and 4 months before presentation he became aware of the darkly pigmented scalp lesion.On physical examination, we noted a 1.2-cm area of left temporal poliosis and a 25×20-mm ''C''-shaped black plaque with areas of red, white, and blue discoloration (Figure 1). The central portion was devoid of pigment, and the hair growing in this

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