Abstract
An unusual case of tubercular granulomatous hypophysitis is reported. A sellar mass diagnosed as pituitary adenoma in MRI, showed non-caseating granulomas, glandular destruction and fibrosis in histology. Stain for acid-fast bacilli (AFB) were negative and the case was misdiagnosed as Idiopathic Granulomatous hypophysitis. The patient came back 2 weeks after trans-sphenoidal endoscopic resection with meningitis. CSF showed mixed pleocytosis. PCR for Mycobacterium tuberculosis was positive. The case is reported to highlight the need to maintain a high degree of suspicion for tuberculosis in any form of granulomatous hypophysitis, with or without caseous necrosis, in regions endemic for tuberculosis to prevent subsequent complications.
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