FDG PET/CT Combined With 3D CT Reconstruction in Diagnosing Inflammatory Granuloma Secondary to Fish Bone Perforation of the Ascending Colon.

Clin Nucl MedOct 20, 2026 (epub)

Zu-Gui Li

✦ AI-curated · Sources linked

Case in brief

A 71-year-old woman with 5 weeks of right-sided abdominal pain was initially evaluated for hepatobiliary disease; ultrasound and MRI showed no hepatobiliary abnormality. MRI incidentally identified an ascending-colon mass suspicious for malignancy. FDG PET/CT with 3D CT reconstruction showed a linear hyperdense object embedded in the colonic wall, with focal wall thickening and intense FDG uptake. The findings suggested a foreign-body-induced inflammatory granuloma rather than a tumor, and colonoscopy with biopsy confirmed the diagnosis.

What made this case unusual

The fish bone perforation presented as an intensely FDG-avid ascending-colon mass suspicious for malignancy; 3D CT reconstruction depicted the linear foreign body within the bowel wall.

Diagnostic / clinical pearl

An FDG-avid colonic mass can reflect foreign-body-induced inflammation. Look for a linear hyperdense object on CT, which may help distinguish an inflammatory granuloma from malignancy.

Source

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 It is not peer reviewed and is not a substitute for the original article.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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AI-generated summaries may contain errors or omissions. Verify clinically important information with the original publication.

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