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Choi, Houh, Byun, Kim, Kim, Kang, and Chung: Pigmented Squamous Cell Carcinoma
Case Report

Annals of Dermatology 1990; 2(1): 39-42.

Published online: 28 November 2016

DOI: https://doi.org/10.5021/ad.1990.2.1.39

Pigmented Squamous Cell Carcinoma

Soo Byung Choi, Dong Houh, Dae Gyoo Byun, Hyung Ok Kim, Chung Won Kim, Suk Jin Kang, Luke Sooil Chung

Copyright © The Korean Dermatological Association and The Korean Society for Investigative Dermatology

Abstract

An 84-year-old woman had an ovoid shallow ulcer with an elevated, indurated, pigmented border on the left cheek.
Histological examination revealed a moderately differentiated squamous cell carcinoma and a solar keratosis with abundant melanocytes and melanin pigment.
Ultrastructurally, the keratinocytes contained numerous melanosomes in their cytoplasms and the melanocytes in the squamous cell carcinoma and the solar keratosis had mature melanosomes.

Keywords: Melanosome, Pigmented squamous cell carcinoma, Solar keratosis

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