Indian Journal of Dermatology
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Year : 2015  |  Volume : 60  |  Issue : 5  |  Page : 523

An unusual clinical presentation of eccrine poroma occurring on the auricle

1 Department of Dermatology, School of Medicine, Kyung Hee University, Seoul, Korea
2 Sahmyook Medical Center, Seoul, Korea

Correspondence Address:
Ki Heon Jeong
Department of Dermatology, #1, Hoegi dong, Dongdaemun-gu, Seoul - 130-702
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0019-5154.164446

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Eccrine poromas are benign, slow-growing, solitary tumors originating from the intraepidermal portion of eccrine sweat ducts. Approximately 65% of these tumors occur on the soles of the feet, while 10% occur on the hands where a high concentration of eccrine sweat glands exists. Less frequently it occurs in other sites such as neck, chest, forehead, nose, and scalp with sporadic occurrences. A 43-year-old Korean female presented with a mass on her right auricle, which had been present for 5 years. The mass increased gradually in size with pain, oozing, and bleeding. A biopsy of the mass revealed monomorphic basaloid cells, which may extend into the underlying dermis, in a richly vascularized stroma, with a variable number of cystic or ductal structures. The patient was diagnosed as having eccrine poroma. In this case, the eccrine poroma showed unusual clinical presentation.

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