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  • Title: Carcinoma ex pleomorphic adenoma mimicking multiple facial nerve schwannoma.
    Author: Park KC, Choi HJ, Kwon JK.
    Journal: Auris Nasus Larynx; 2008 Jun; 35(2):291-4. PubMed ID: 17881169.
    Abstract:
    Carcinoma ex pleomorphic adenoma (CXPA) is a rare, aggressive, poorly understood malignancy that usually occurs in the salivary glands. CXPA has been reported to account for 3.6% of all salivary neoplasms and 11.7% of salivary malignancies. CXPA not only has a low incidence rate but there are few papers or case reports reporting perineural invasion rates. We report a case of CXPA which occurred in the parotid gland, showing retrograde perineural invasion along the facial nerve back to the internal auditory canal (IAC).
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