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April 1995


Arch Otolaryngol Head Neck Surg. 1995;121(4):479-482. doi:10.1001/archotol.1995.01890040095017

Pathologic Quiz Case 1  Jeffrey N. Myers, MD, PhD; Robert L. Peel, MD; Eugene N. Myers, MD, Pittsburgh, PaA 70-year-old woman was referred with a 6-week history of painless swelling of the right parotid gland that did not respond to oral antibiotic therapy. The patient had been treated by mastectomy for infiltrating ductal adenocarcinoma of the breast with metastasis to one of seven axillary nodes 6 years earlier.Physical examination revealed no abnormalities except for a 2×3-cm mass that appeared to be in the superficial lobe of the right parotid gland. A right superficial lobe parotidectomy with facial nerve dissection was performed. The histologic findings are documented in Figure 1 through Figure 4, and Figure 4 is an immunoperoxidase stain for cytokeratin.What is your diagnosis?A 66-year-old white woman with a history of left true vocal fold paralysis presented to The Johns Hopkins Hospital, Baltimore, Md, with persistent dysphonia despite several prior therapeutic procedures. Examination of the larynx revealed an immobile left vocal fold in

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