Halo Nevi. Presented by DR. JOHN S. STRAUSS.
An American girl, aged 9
, is presented for discussion of the etiology and treatment of lesions on her trunk. About 18 months ago, during the summer, the child's mother noticed two white patches on her back. The next summer additional lesions appeared. All have remained unchanged.
There are areas of depigmentation, mainly on the posterior aspect of the trunk, varying from several millimeters to 3 cm in size. Most of these have small raised brown areas centrally. No biopsy has been performed.
Discussion
DR. THOMAS B. FITZPATRICK: The father has a white forelock. This may be coincidental, or it may possibly be related to the halo nevus.
DR. WALTER F. LEVER: The histologic appearance of halo nevi is rather striking. Although there are no signs of inflammation clinically, one observes histologically a dense, cellular, predominantly lymphocytic, infiltrate that invades the epidermis and
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