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Clinical Problem Solving: Radiology
February 2013

Radiology Quiz Case 1: Diagnosis

Author Affiliations


JAMA Otolaryngol Head Neck Surg. 2013;139(2):188. doi:10.1001/jamaoto.2013.1275b

Diagnosis: Tuberculosis of the right parotid gland

Histologic examination of the specimen revealed multiple granulomas with areas of central necrosis and infiltration by epithelioid cells and numerous Langhans giant cells. The lymph nodes also showed multiple caseating granulomas. Periodic acid–Schiff and Ziehl-Nielsen stains were negative for organisms. The results of a tuberculin skin test were positive, although no history of exposure to tuberculosis was reported. The patient received antituberculous therapy for a year. Five years after surgery, she remained well and asymptomatic.

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