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Case Report: Atypical Presentation of Large Bowel Obstruction Due to Bezoar Formation in a Patient with a History of Colon Cancer

Amanda Li Nyam, MD*^ and Luke WallsSmith, MD*

*University of California, Irvine, Department of Emergency Medicine, Orange, CA
^Sutter Roseville Medical Center, Department of Emergency Medicine, Roseville, CA

Correspondence should be addressed to Amanda Li Nyam at alnyam@gmail.com  

DOI: https://doi.org/10.5070/M5.53997Issue 11:4
Visual EMAbdominal/GastroenterologyCurrent Issue
[mrp_rating_result]
Bezoar Formation Large Bowel Obstruction. CT Axial Unannotated. JETem 2026
Bezoar Formation Large Bowel Obstruction. CT Coronal Unannotated. JETem 2026
Bezoar Formation Large Bowel Obstruction. CT Sagital Unannotated. JETem 2026
Bezoar Formation Large Bowel Obstruction. Left Hydronephrosis CT Axial Unannotated. JETem 2026
Bezoar Formation Large Bowel Obstruction. CT Axial Annotated. JETem 2026
Bezoar Formation Large Bowel Obstruction. CT Coronal Annotated. JETem 2026
Bezoar Formation Large Bowel Obstruction. CT Sagital Annotated. JETem 2026

ABSTRACT:

Abdominal pain is one of the most common presenting complaints in emergency medicine. This case report summarizes a 61-year-old male with worsening abdominal pain and no bowel movement for multiple days. Computer tomography (CT) scan demonstrated a large intraluminal mass at the anastomosis, concerning for a bezoar formation, with associated stercoral colitis and partial bowel obstruction. The patient was subsequently admitted to the general surgery service for further management. During hospitalization, the patient’s stool burden improved with osmotic laxatives, and he underwent a colonoscopy. The patient was discharged with outpatient follow-up. This report will help inform management in a patient with a history of colon cancer presenting with a large bowel obstruction post-colectomy.

Topics: Colon cancer, bezoar formation, stercoral colitis, bowel obstruction.

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