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Japanese

Synchronous Parotid Tumors of Different Histological Types Mitsunobu Shibusawa 1 1Department of Otorhionolaryngology, Tokyo Medical and Dental University pp.903-907
Published Date 1990/10/5
DOI https://doi.org/10.11477/mf.1411900160
  • Abstract
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Multiple tumors in a single parotid gland, excluding malignant change in a benign neoplasm, are rare. A case of this rare occurrence in a patient who had two separate masses in the same parotid gland was reported. Pathological exami-nations revealed that the one was Warthin's tumor and the other pleomorphic adenoma. Reviewing the literature, a total of 22 cases of histologically separated parotid tumors has been reported. Pleo-morphic adenoma and Warthin's tumor were found in 12 patients. Seventeen out of 22 cases (77%) had Warthin's tumor as one of the neoplasms and 16 out of 22 (73%) had pleomorphic ade-noma. The combination of these two neoplasms were most common.


Copyright © 1990, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1316 印刷版ISSN 0914-3491 医学書院

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