volume 40, issue 8, P812-814 2012
DOI: 10.1016/j.jcms.2012.02.023
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Izumi Yoshioka, Kousuke Marutsuka, Kaori Igawa, Jyunko Nagata, Maho Yoshida, Takashi Baba, Takeshi Ichiki, Yudai Kondoh, Koichi Takamori, Koji Kashima, Sumio Sakoda

Abstract: We report an extremely rare case of epidermal choristoma in the midline of the maxillary gingiva. A 2-month-old Japanese boy presented with a polypoid mass in the midline of the maxillary gingiva. The initial clinical diagnosis was congenital epulis. Microscopic examination revealed a granular cell layer and melanin pigmentation within the basal cell layer. Furthermore, sebaceous glands and hair follicles were observed within the connective tissue. The histological diagnosis was therefore epidermal choristoma,…

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