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Rare Cystic Tumor Occluding the External Auditory Canal : Eccrine Hydrocystoma

임상이비인후과 2019년 30권 2호 p.229 ~ 231
김영남 ( Kim Young-Nam ) - Inje University College of Medicine Sanggye Paik Hospital Department of Otorhinolaryngology-Head and Neck Surgery

최정환 ( Choi Jeong-Hwan ) - Inje University College of Medicine Sanggye Paik Hospital Department of Otorhinolaryngology-Head and Neck Surgery

Abstract


Cystic tumors arising from cystic dilatation of the excretory duct of the eccrine sweat glands or eccrine hidrocys- toma are extremely rare in the external auditory canal. We describe a rare case of an eccrine hidrocystoma, con- fined to the external auditory canal in an adult patient. The lesion was completely excised via transcanal endo- scopic approach. The diagnosis of eccrine hidrocystoma was made based on pathologic findings. Eccrine hidrocystoma should be considered as possible differential diagnoses of mass lesions in the external auditory canal.

키워드

?Ear auricle; Ear neoplasm; Hidrocystoma; Endoscopy
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