Intradiverticular Bladder Cancer Mimicking a Normal Urinary Bladder Diverticulum on FDG PET/CT.

Clin Nucl MedOct 20, 2026 (epub)
Case ReportUrologyNuclear Medicine

Xiaojun Man, Changming Dong, Aisheng Dong et al.

✦ AI-curated · Sources linked

Case in brief

A patient with a bladder diverticulum underwent FDG PET/CT for evaluation of intradiverticular bladder cancer. On imaging at 62 minutes, the exophytic lesion had a density similar to bladder urine and intense FDG activity, resembling a diverticulum. On delayed pelvic imaging at 275 minutes, it had greater density and activity than the urine, a pattern consistent with malignancy.

What made this case unusual

The tumor initially mimicked a normal bladder diverticulum on FDG PET/CT, with its malignant appearance becoming apparent on delayed imaging.

Diagnostic / clinical pearl

In a patient with a bladder diverticulum, delayed pelvic FDG PET/CT may help identify an intradiverticular tumor that is inconspicuous or misleading on earlier images.

Source

PubMed · PMID 42912648

Published in Clin Nucl Med. This summary was written by xxcode from the publication's abstract and metadata. It is not peer reviewed and is not a substitute for the original article. For clinical decisions, review the original publication.

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