Hybrid carcinoma of the parotid gland: Report of a case (epithelial-myoepithelial carcinoma and salivary duct carcinoma) and review of the literature

Kazuyuki Kainuma Department of Otolaryngology, Shinshu University School of Medicine, MatsumotoCorrespondence[email protected]

, PhD , MD,

Aki Oshima Department of Otolaryngology, Nagano Red Cross Hospital, Nagano

Hiroaki Suzuki Department of Otolaryngology, Shinshu University School of Medicine, Matsumoto

Mana Fukushima Japan Biomedical Laboratory Sciences, School of Health Sciences, Shinshu University School of Medicine, Matsumoto, Japan

Hisashi Shimojo Japan Biomedical Laboratory Sciences, School of Health Sciences, Shinshu University School of Medicine, Matsumoto, Japan

Shin-Ichi Usami Department of Otolaryngology, Shinshu University School of Medicine, Matsumoto

Abstract

Hybrid tumors of salivary glands are rare neoplasms. We describe a case of a 74-year-old male with a hybrid carcinoma composed of epithelial-myoepithelial and salivary duct carcinomas of the right parotid gland. The presence of two components was verified by differential immunohistochemical staining. The tumor was surgically resected. There has been no evidence of recurrence to date. To our knowledge, this is the first report of a hybrid carcinoma composed of epithelial-myoepithelial and salivary duct carcinomas of the parotid gland in Japan.

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Hybrid carcinoma of the parotid gland: Report of a case (epithelial-myoepithelial carcinoma and salivary duct carcinoma) and review of the literature

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Hybrid carcinoma of the parotid gland: Report of a case (epithelial-myoepithelial carcinoma and salivary duct carcinoma) and review of the literature

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