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February 1979

Multiple Benign Juvenile Melanoma

Author Affiliations

From the Department of Dermatology, University of Oregon Health Sciences Center, Portland.

Arch Dermatol. 1979;115(2):229. doi:10.1001/archderm.1979.04010020067024

Historically multiple benign juvenile melanoma have occurred as an agminated group,1 part of bathing trunk nevi, or several lesions over an anatomic region.2

Recent reports from Great Britain3,4 have described two patients with eruptive and widespread lesions. I describe in this report an illustration of the disseminated and the localized variety.

Report of Cases 

Case 1.—  A 21-year-old woman was seen with a 1 1/2-year history of 50 disseminated pinkish-red papules. They were smooth, telangiectatic, and varied in size from 1 to 4 mm. Their distribution is illustrated in Fig 1.Two lesions were removed in incisional shave biopsy and two were treated with liquid nitrogen spray. The histology showed nests of epithelioid type nevus cells under the epidermis with telangiectasia and giant cells (Fig 2). The changes were interpreted as benign juvenile melanoma.Though the cosmetic results were excellent with both shave biopsy and cryosurgery, residual

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