Mucoepidermoid carcinoma - parotid
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Selected CT images demonstrate an ill-defined right parotid mass, with a cystic component.
The patient went on to have a resection.
Right parotid gland, resection: mucoepidermoid carcinoma - grade 2 (intermediate).
The tumor is graded according to the scheme of Brandwein et al modified from the AFIP grading scheme for mucoepidermoid carcinomas (Brandwein M, et al. Mucoepidermoid carcinoma. A clinicopathologic study of 80 patients with special reference to histological grading. Am J Surg Pathol 2001; 25:835-845). In this scheme, the tumor scores 2 for its growth pattern. this equates to intermediate grade.