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Summer 2018, Vol. 26 No. 2

Hong Kong J. Dermatol. Venereol. (2018) 26, 71-74


Case Report

Cylindroma - a case report: benign but not banal!

圓柱瘤病例報告─良性卻非凡

A Pavli, S Lee 李啟焱, S Mann

Abstract

The diagnosis of cylindroma can be challenging due to the rarity of the tumour and its broad differential diagnosis. We present a case report of a solitary benign cylindroma on the right scalp of a 51-year-old patient which was initially thought to be a basaloid follicular hamartoma based on biopsy. We outline the differential diagnosis of cylindroma, as well as the histopathological features and the pathological differences between cylindroma and basaloid follicular hamartoma. The ethical dilemmas surrounding the management of benign solitary cylindromas, including the potential for malignant transformation, risks associated with operating, and cost for the patient, are also discussed.

由於圓柱瘤的罕見及其廣泛的鑑別診斷,其診斷實具挑戰性。我們報告一名51歲患者的右側頭皮上長出單發性良性圓柱瘤的病例報告,該病例最初基於活組織檢查被誤認為基底細胞樣毛囊錯構瘤。我們概述了圓柱瘤的鑑別診斷、組織病理學特徵,以及它與基底細胞樣毛囊錯構瘤之間的病理學差異。並圍繞著良性孤立性圓柱瘤治理上的倫理困境討論,包括惡性轉化的可能性、手術相關的風險以及患者的付出代價等等。

Keywords: Adnexal skin tumour, basaloid follicular hamartoma, cylindroma, linear and unilateral, malignant transformation

關鍵詞: 附件皮膚腫瘤、基底細胞樣毛囊錯構瘤、圓柱瘤、線性和單側、惡變