Indian Journal of Nuclear Medicine
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Year : 2019  |  Volume : 34  |  Issue : 3  |  Page : 247-248

Incidental detection of urinary bladder herniation in 18F-fluorodeoxyglucose positron emission tomography/computed tomography mimicking as metastatic deposit in the inguinal canal

1 Department of Nuclear Medicine and PET/CT, Post Graduate Institute of Medical Education and Research, Chandigarh, India
2 Department of Hepatology, Post Graduate Institute of Medical Education and Research, Chandigarh, India

Correspondence Address:
Dr. Rajender Kumar
Department of Nuclear Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh - 160 012
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijnm.IJNM_38_19

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Although 18F-fluorodeoxyglucose (FDG) is the most extensively used tracer in oncological positron emission tomography/computed tomography (PET/CT) studies, various physiological as well as benign pathological conditions are known to cause false-positive results. This report describes 18F-FDG PET/CT done in an elderly man with primary hepatocellular carcinoma, revealing a metastasis mimicking lesion in the left inguinal canal, which was identified as the herniated portion of the urinary bladder. Though rare, bladder herniation, especially with a narrow neck, can be a pitfall in the evaluation for metastatic disease. The study also highlights the utility of delayed imaging in the evaluation of pelvic pathology.

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