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Case 44

Dianna Ng, MD¹, Walid Khalbuss, MD, PhD², Laura Tabatabai, MD¹

¹Department of Pathology, University of California-San Francisco, San Francisco, California

²Department of Pathology, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania

Clinical History: The patient is a 53 year old man who presents with a left sided 2.6 cm firm parotid mass. The mass had been present for 10 months and slowly enlarging. Six weeks ago he had a dental procedure on the same side and has been experiencing tenderness in the jaw since then. Fine needle aspiration sampling is performed.

Romanowsky Stain

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