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Korean Journal of Otorhinolaryngology-Head and Neck Surgery > Volume 38(11); 1995 > Article
Korean Journal of Otorhinolaryngology-Head and Neck Surgery 1995;38(11): 1801-5.
A Case of Parotid Epithelial-Myoepithelial Carcinoma of Intercalated Ducts Invading External Auditory Canal and Postauricular Skin
Chae Seo Rhee, MD, Ha-Won Jung, MD, Tae Hoon Jinn, MD, and Jung Ho Suh, MD
Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University College of Medicine, Seoul, Korea
외이도 및 후이개피부를 침범한 이하선 상피-근상피 암종
이재서 · 정하원 · 진태훈 · 서정호
서울대학교 의과대학 이비인후과학교실
ABSTRACT

Epithelial-myoepithelial carcinoma of intercalated ducts origin(EMCID) is a rare tumor with slightly fewer than 1% of salivary gland neoplasms. The morphologic features of EMCID are generally quite distinct from other salivary tumors. Histologically, the carcinomas are characterized by a dual cell population of epithelial cells and myoepithelial cells. Although originally thought to be benign, it is now apparent that EMCID is a low grade malignancy. Clinically this tumor predominantly arises in the parotid glands with a decided locoreginal aggressiveness. Reports of EMCID are still relatively few. Furthermore there are limited reports of EMCID with facial palsy or that with involving external auditory canal and postauricular skin. We report a unusual case of EMCID invading external auditory canal and postauricular skin, and also that having facial palsy.

Keywords: Epithelial-myoepithelialParotidExternal auditory canalSkin.
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