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Case 3. A, Axial contrast-enhanced CT scan shows a mildly enhancing circumscribed mass (arrow) in the lateral aspect of the superficial lobe of the right parotid gland.
B, Metastatic poorly differentiated neuroendocrine carcinoma to an intraparotid lymph node. The tumor cells display pleomorphic vesicular nuclei with finely dispersed chromatin, scant cytoplasm, and a high mitotic rate (hematoxylin and eosin stain; original magnification, ×40).
