This case reveals persistent 18F-FDG uptake misinterpreted as residual disease, highlighting imaging integration.
We report the case of a 31-year-old woman with osseous Hodgkin's lymphoma who underwent post-therapeutic ¹⁸F-fluorodeoxyglucose (¹⁸F-FDG) positron emission tomography/computed tomography. The scan revealed a hypermetabolic lesion in the pubic symphysis and iliac crests, initially suggestive of residual disease. Multimodal evaluation, including 99mTc-methoxy-isobutyl-isonitrile scintigraphy, laboratory tests revealed primary hyperparathyroidism, and biopsy confirmed a brown tumor. This case highlights the importance of integrating multimodal imaging and pathology to avoid misinterpretation of ¹⁸F-FDG-avid lesions.
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Nakro et al. (2026) studied this question.
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