Salivary Duct Carcinoma : Differential
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![SalivaryDuctCA40.jpg](/slides-13/slides/SalivaryDuctCA40.jpg)
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Differential diagnosis of salivary duct carcinoma includes high grade mucoepidermoid carcinoma, adenoid cystic carcinoma, acinic cell carcinoma, oncocytic carcinoma, and metastatic mammary carcinoma. This high magnification view shows portion of a solid nest with central comedonecrosis (lower right). The tumor cells have large vesicular nuclei with punctate nucleoli. Mitotic activity is increased.