• Biplab K Saha, Om Dawani, Woon H Chong, and Alyssa Bonnier.
• Division of Pulmonary and Critical Care Medicine, Ozarks Medical Center, West Plains, MO, USA. Electronic address: spanophiliac@yahoo.com.
• Am. J. Med. Sci. 2022 Feb 1; 363 (2): 191-198.

AbstractNecrotizing sarcoid granulomatosis (NSG) is a rare inflammatory disease. Although considered by some to be a subtype of sarcoidosis, this opinion is not universal. NSG is histologically characterized by the presence of necrotizing sarcoid like granuloma and granulomatous vasculitis. The exclusion of potential etiologies for necrotizing granulomatous inflammation is necessary to establish a diagnosis of NSG. A 70-year old female presented to our office after she was incidentally found to have a right lung cavitary lesion on a shoulder X-ray. She had an extensive serologic workup for anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis, mycobacterial and fungal etiologies, but they were all negative. She subsequently underwent bronchoscopic evaluation and biopsies. The histopathologic analysis revealed sarcoid-like granulomatous inflammation with large necrosis and mild granulomatous vasculitis. The pulmonary function test revealed a restrictive ventilatory defect. The patient was treated with steroid therapy with rapid radiologic and spirometric improvement.Copyright © 2021 Southern Society for Clinical Investigation. Published by Elsevier Inc. All rights reserved.

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