What is the prevalence of true malignant mixed tumor (carcinosarcoma)?

Updated: Dec 01, 2015
  • Author: M Sherif Said, MD, PhD; Chief Editor: M Sherif Said, MD, PhD  more...
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Answer

Answer

Carcinosarcoma is an extremely rare and aggressive entity. [3] It accounts for only 0.04-0.16% of all salivary gland tumors. In the reported cases, patients ranged in age from 15-85 years. There was no predilection with regard to gender. Many of the patients had a history of pleomorphic adenoma, recurrent pleomorphic adenoma, or recurrent carcinoma ex pleomorphic adenoma. [3, 4, 5, 6, 7, 8, 9, 10, 11, 12] Some cases, however, seem to arise de novo, in the absence of a previous pleomorphic adenoma. [3, 13, 14, 15, 16]


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