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Malignant Transformation of Benign Mixed Tumors in the Parotid Gland: Report of Two Cases: Yuzo Yamamoto 1 1Department of Otolaryngology, Osaka Medical College, School of Medicine pp.131-137
Published Date 1988/2/20
DOI https://doi.org/10.11477/mf.1411200110
  • Abstract
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It is generally thought that primary malignant mixed tumors are extremely rare and the most of them could be developed by malignant transfor-mation from one of the epithelial components. Pathological studies revealed the malignant changes arising in the vicinity of cicatricial and fibrotic areas. There may be the possibility that the re-generative hyperplasia in benign tumor becomes excessive in the course of scar formation and re-sults in malignant changes in some cases. We propose here the concept of "scar cancer" for the elucidation of the pathogenesis of these changes in parotid tumor.


Copyright © 1988, 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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