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Updated: Jun 18, 2026
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Hepatic Inflammatory Pseudotumor Presenting as FDG-avid Liver Lesions in a Prostate Cancer Patient: A Diagnostic
Yiwan Weng1,2, Hongyan Yin2, Hongcheng Shi2
1From the Department of Radiology, Suzhou Xiangcheng People's Hospital, Suzhou, China.
Abstract:
A 70-year-old man with prostate cancer underwent contrast-enhanced CT for lesion characterization, which revealed two newly detected hepatic lesions suspicious for metastasis. The prostate-specific antigen level remained below the threshold for biochemical recurrence, whereas C-reactive protein was elevated. 18 F-FDG PET/CT was performed for metabolic characterization and whole-body evaluation, demonstrating heterogeneous increased uptake in both lesions. On the basis of the CT findings and FDG hypermetabolism, liver-confined metastatic disease was suspected, and surgical resection was performed. Histopathology unexpectedly revealed a hepatic inflammatory pseudotumor.
