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Malignant mixed tumors of salivary glands are classified as three types: carcinoma arising in a pleomorphic adenoma, the most common; benign metastasizing pleomorphic adenoma; and carcinosarcoma (true malignant mixed tumor), which is very rare [Ann. Otol. Rhinol. Laryngol. (1982) 91 342]. In carcinoma, both epithelial and soft tissue elements are malignant. In the context of previous reports, we discuss...
A 29-year-old female with primary ectopic meningioma in the right ethmoid sinus was reported. She was treated by a right lateral rhinotomy with total removal of the tumor and the subsequent clinical course was good. Contrast enhanced magnetic resonance image (MRI) was most informative to define the tumor and decide the surgical procedure, in which it was demonstrated as well circumscribed mass lesion...
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