Abstract

A 57-year-old white man sought medical attention because of chronic cough and fever of unknown origin. An extensive work-up over 4 weeks, including repeated blood cultures, chest roentgenograms, a gallium scan, and computed tomographic scans of the sinuses, chest, and abdomen, was nondiagnostic. The patient was referred to our institution for bronchoscopy. Further analysis of his history revealed that he had a headache in conjunction with the cough and an episode of a flashing color design in his left eye 1 week before assessment. The erythrocyte sedimentation rate was 115 mm in 1 hour. A biopsy of the temporal artery showed granulomatous inflammation of the vessel wall with multinucleated giant cells, histiocytes, lymphocytes, plasma cells, and few eosinophils. The multinucleated giant cells were closely related to the fragmented elastic lamina. Corticosteroid therapy resulted in prompt resolution of the chronic cough and fever. Giant cell arteritis should be considered in the differential diagnosis of chronic cough.

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