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Epithelial-myoepithelial carcinoma – Report of a case arising in the nasal cavity

Published online by Cambridge University Press:  29 June 2007

Hiroshi Harada*
Affiliation:
Second Department of Pathology, Kurume University School of Medicine, Kurume, Japan
Sho-Ichi Kashiwagi
Affiliation:
Second Department of Pathology, Kurume University School of Medicine, Kurume, Japan
Hitomi Fujiura
Affiliation:
Department of Otolaryngology, Kurume University School of Medicine, Kurume, Japan
Jingo Kusukawa
Affiliation:
Department of Oral and Maxillofacial Surgery, Kurume University School of Medicine, Kurume, Japan
Minoru Morimatsu
Affiliation:
Second Department of Pathology, Kurume University School of Medicine, Kurume, Japan
*
Address for correspondence: Dr Hiroshi Harada, The Second Department of Pathology, Kurume University School of Medicine, 67 Asahi-machi, Kurume 830, Japan. Fax: 81 942 31-0342

Abstract

We present an extremely rare case of epithelial-myoepithelial carcinoma (EMC) arising in the nasal cavity. The patient was a 56-year-old Japanese male with a polypoid tumour arising from the nasal septum. Histopathological examination revealed the tumour to consist of a solid proliferation of clear-cells and, in some areas, small or elongated duct structures with a double-layered arrangement of inner cuboidal cells and outer clear-cells. Dual differentiation toward myoepithelial and ductal cells were confirmed immunohistochemically. The occurrence of EMC in the nasal cavity is possible and this entity should be generally recognized by surgical pathologists, not only those engaged in head and neck surgery.

Information

Type
Pathology in Focus
Copyright
Copyright © JLO (1984) Limited 1996

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