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KMID : 0363220160540050381
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Korean Journal of Dermatology
2016 Volume.54 No. 5 p.381 ~ p.384
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A Case of Sebaceoma on the Right Earlobe
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Jo Seong-Jin
Cho Kwang-Hyun
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Abstract
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Sebaceoma, also known as sebaceous epithelioma, is a rare, benign, adnexal tumor with sebaceous differentiation. It usually appears as a yellowish papule, nodule, or plaque on the scalp and face, on which there are abundant sebaceous glands. Histologically, it is a well-circumscribed lesion composed of undifferentiated basaloid cells and mature sebaceous cells in relatively preserved lobulated architectures. A 31-year-old woman presented with a 1.3-cm ×1.1-cm nodule on the right earlobe. Mohs micrographic surgery was performed to completely remove it. Histopathological examination revealed that mature sebaceous cells with scalloped nuclei and focal cystic change were present in the lobule.
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KEYWORD
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Earlobe, Sebaceoma, Sebaceous epithelioma
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