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Related Experiment Videos

Umbilical hernia simulating recurrent carcinoid on octreoscan.

David A Hirschl1, Yi Li, K J Chun

  • 1Department of Radiology, Montefiore Medical Center, Bronx, NY 10467, USA.

Clinical Nuclear Medicine
|June 4, 2011
PubMed
Summary

Physiologic bowel activity on Indium-111 octreotide scans can mimic lesions. SPECT/CT imaging precisely localized uptake to a ventral hernia, preventing misdiagnosis of recurrent carcinoid.

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Area of Science:

  • Nuclear Medicine
  • Diagnostic Imaging
  • Gastroenterology

Background:

  • Indium-111 octreotide imaging (Octreoscan) is used to detect neuroendocrine tumors.
  • Physiologic bowel uptake is a known artifact that can complicate interpretation.

Observation:

  • A postoperative patient with a history of carcinoid underwent an Octreoscan to assess for recurrence.
  • Focal abdominal uptake was noted, raising concern for metastatic disease.

Findings:

  • SPECT/CT fusion imaging revealed the uptake corresponded to a loop of bowel within an anterior abdominal wall ventral hernia.
  • This finding was localized to the site of a previous surgical incision.

Implications:

  • Accurate differentiation of physiologic bowel activity from pathology is crucial, especially post-surgery.

Related Experiment Videos

  • SPECT/CT fusion imaging enhances diagnostic accuracy by precisely localizing radiotracer uptake.
  • This case highlights the importance of correlating imaging findings with surgical history and anatomy to avoid misinterpretation.