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December 1989

A Case of an Unusual Mole

Author Affiliations

St Vincent Hospital and Health Care Center, Indianapolis, Ind

Arch Dermatol. 1989;125(12):1703-1704. doi:10.1001/archderm.1989.01670240103025

REPORT OF A CASE  A 25-year-old woman complained about a conspicuous mole on the upper left aspect of her chest that had been present for at least 8 to 10 years. The mole was asymptomatic, dome-shaped, symmetrical, firm, and dark brown, and measured 4 × 4 mm (Fig 1). She believed that it was unsightly and requested that it be removed. It was excised and sent for histopathologic examination (Figs 2 through 4).What is your diagnosis?

DIAGNOSIS:  Combined Spitz nevus.

DISCUSSION  Spitz nevus, commonly known as benign juvenile melanoma or as spindle and epithelioid cell nevus, was originally thought to be a malignant neoplasm of childhood.1 Since it was first described over 40 years ago, it has become evident that this melanocytic neoplasm has no malignant potential, is not confined to children, and may be pink, red, tan, or dark brown.2,3