Digital Pigmented Squamous Cell Carcinoma In-situ: A Case Report

Main Article Content

Jordan Lamb
University of Pittsburgh School of Medicine

Colleen Beatty
Department of Dermatology, University of Pittsburgh

Nancy House
Department of Dermatology, University of Pittsburgh

Alaina James
Department of Dermatology, University of Pittsburgh

Keywords

pigmented squamous cell carcinoma in-situ, Bowen's disease, corticosteroid, immunosuppressed, skin cancer, skin of color

Abstract

Pigmented squamous cell carcinoma in-situ (SCCIS) is a rare variant of cutaneous SCC that can clinically mimic malignant melanoma. This variant is more commonly seen in patients with brown and black skin and often presents in sun-protected areas. We report a case of a 38-year-old man with a dark brown, expanding lesion on the lateral aspect of the left middle finger and history of immunosuppression secondary to chronic corticosteroid treatment for systemic sarcoidosis. Histologic examination of the lesion was consistent with a diagnosis of pigmented SCCIS. This report highlights a unique association between iatrogenic immunosuppression for inflammatory disease and development of pigmented SCCIS. Additionally, the case emphasizes the importance of surveillance for pigmented SCC in patients with skin of color, particularly those who may be at higher risk due to immunosuppression.

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Published
Sep 12, 2022
DOI https://doi.org/10.25251/skin.6.5.9

Article Details

How to Cite
Lamb, J., Beatty, C., House, N., & James, A. (2022). Digital Pigmented Squamous Cell Carcinoma In-situ: A Case Report. SKIN The Journal of Cutaneous Medicine, 6(5), 406–409. https://doi.org/10.25251/skin.6.5.9
Issue
Vol. 6 No. 5 (2022)
Section
Brief Articles
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