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<p>Carcinoma ex pleomorphic adenoma (Ca ex PA) is a malignant epithelial salivary gland neoplasm that arises from or within a pleomorphic adenoma. It has been named Carcinoma ex mixed tumor, Carcinoma ex adenoma, and Carcinoma ex benign pleomorphic adenoma. Ca ex PA is rare and accounts for approximately. 3–6% of all salivary gland neoplasms and 11% of all malignant salivary gland tumors. Ca ex PA of the maxillary sinus is rare and has occasionally been reported as part of a large series. The present article reports two cases of maxillary sinus Ca ex PA.</p>

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Carcinoma Ex Pleomorphic Adenoma of the Maxillary Sinus: Report of Two Cases

  • 期刊论文

  • 发表日期：

    2025年6月3日

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  • Hamid Nasrolahi,
  • Susan Andalibi,
  • Mohammad Reza Sasani,
  • Mansour Ansari,
  • Haleh Keshvari,
  • Ehsan Mohammad Hosseini

摘要

Carcinoma ex pleomorphic adenoma (Ca ex PA) is a malignant epithelial salivary gland neoplasm that arises from or within a pleomorphic adenoma. It has been named Carcinoma ex mixed tumor, Carcinoma ex adenoma, and Carcinoma ex benign pleomorphic adenoma. Ca ex PA is rare and accounts for approximately. 3–6% of all salivary gland neoplasms and 11% of all malignant salivary gland tumors. Ca ex PA of the maxillary sinus is rare and has occasionally been reported as part of a large series. The present article reports two cases of maxillary sinus Ca ex PA.