[Skip to Content]
Access to paid content on this site is currently suspended due to excessive activity being detected from your IP address Please contact the publisher to request reinstatement.
[Skip to Content Landing]
August 1995

Amelanotic Melanoma

Author Affiliations

State University of New York at Buffalo

Arch Dermatol. 1995;131(8):953-954. doi:10.1001/archderm.1995.01690200091018

REPORT OF A CASE  A 72-year-old white man was referred for evaluation and treatment of an inflamed skin tag on his neck. A thrombosed, erythematous, pedunculated skin tag was found on the left side of his neck. In addition, an erythematous, slightly scaly plaque with sharply but irregularly demarcated borders (3×5 cm) was found on the right upper abdomen (Figure 1 and Figure 2). The lesion was completely asymptomatic and of at least 1 year's duration. The rest of the skin examination was normal. The skin tag was removed with a shave excision. A punch biopsy specimen was taken from the indurated plaque; light microscopic findings from the specimen are shown in Figure 3 and Figure 4.What is your diagnosis?Figure 1.Figure 2.Figure 3.Figure 4.

DIAGNOSIS:  Amelanotic melanoma.

HISTOPATHOLOGIC FINDINGS AND CLINICAL COURSE  Histopathologic findings revealed melanocytes with marked cytologic atypia scattered within the epidermis. The

First Page Preview View Large
First page PDF preview
First page PDF preview