Investig Magn Reson Imaging.
2021 Sep;25(3):201-207. 10.13104/imri.2021.25.3.201.
High-Grade Mucoepidermoid Carcinoma Ex Metastasizing Pleomorphic Adenomas in the Parotid Gland and Parapharyngeal Space: a Case Report and Literature Review
- Affiliations
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- 1Department of Radiology, University of Inha College of Medicine, Incheon, Korea
- 2Department of Pathology, University of Inha College of Medicine, Incheon, Korea
- KMID: 2520446
- DOI: http://doi.org/10.13104/imri.2021.25.3.201
Abstract
- Pleomorphic adenoma is the most common benign neoplasm of the salivary glands. Its three malignant variants include carcinoma ex pleomorphic adenoma, carcinosarcoma, and metastasizing pleomorphic adenoma. Among the subtypes of carcinoma ex pleomorphic adenoma, high-grade mucoepidermoid carcinoma has rarely been reported. Additionally, metastasizing pleomorphic adenoma is rare. We report the imaging findings of a high-grade mucoepidermoid carcinoma ex metastasizing pleomorphic adenoma of the parotid gland and parapharyngeal space in a 42-year-old man.
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