Sarcoid-Like Reaction Involving Bone Marrow in Patient on Immune Checkpoint Inhibitor Therapy
Scotti, Marcello ; McIntosh, Lacey J
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Abstract
Clinically useful high-quality radiologic depiction relevant to radiologists' practice. Treatment-induced sarcoid-like reactions, due to T-cell mediated non-caseating granuloma formation, are increasingly encountered in the precision oncology era [1, 2]. Most commonly involved sites are the lungs and lymph nodes. Sarcoid-like reaction in bone marrow is rare, with fewer than 100 reported cases. On imaging, sarcoid-like reaction of bone marrow may mimic skeletal metastasis. Thus, it is important that radiologists be aware of this entity. Although imaging may suggest sarcoid-like reaction of bone marrow, definitive diagnosis requires biopsy.
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Scotti M, McIntosh LJ. Sarcoid-Like Reaction Involving Bone Marrow in Patient on Immune Checkpoint Inhibitor Therapy. AJR Am J Roentgenol. 2023 Mar 29. doi: 10.2214/AJR.23.29260. Epub ahead of print. PMID: 36988270.