Korean J Otolaryngol-Head Neck Surg.
2000 Apr;43(4):383-386.
Epithelial-myoepithelial Carcinoma Arising in the Nasal Cavity-Immunohistochemical and Electron Microscopic Study
- Affiliations
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- 1Department of Otorhinolaryngology-Head and Neck Surgery, Korea University College of Medicine, Seoul, Korea.
- 2Department of Pathology, Korea University College of Medicine, Seoul, Korea.
Abstract
- Epithelial-myoepithelial carcinoma is a very rare malignant tumor accounting for less than one percent of sa1ivary gland neoplasms. Histologically, the tumor consists of a mixture of trabecular structure with double-layered arrangement of inner ductal cells and outer myoepithelial cells. Immunohistochemistry and electron microscopy confirm dual differentiation toward myoepithelial and ductal cells. We report a 22-year-old man with epithelial-myoepithelial carcinoma arising from nasal cavity, one of the most unusual locations.
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