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Ileosigmoid knot: case report and CT findings.
1Department of Surgery, Kouseiren Takaoka Hospital, Toyama, Japan. y-hirano@k5.dion.ne.jp
Abdominal Imaging
|April 19, 2005
Summary
Ileosigmoid knot (ISK) is a rare cause of small bowel obstruction where the ileum twists around the sigmoid colon. Computed tomography identified ISK in a 75-year-old male, highlighting its importance in diagnosing ileus.
Area of Science:
- Gastroenterology
- Abdominal Surgery
- Radiology
Background:
- Ileosigmoid knot (ISK) is an uncommon cause of bowel obstruction.
- Understanding rare causes of ileus is crucial for timely diagnosis and treatment.
Observation:
- A 75-year-old male presented with symptoms suggestive of bowel obstruction.
- Computed tomography (CT) revealed a unique pseudo-knot formation.
Findings:
- The definitive diagnosis was ileosigmoid knot (ISK).
- The CT findings precisely depicted the ileum wrapped around the sigmoid colon base.
Implications:
- ISK should be included in the differential diagnosis for patients presenting with ileus.
- Advanced imaging like CT is vital for identifying this rare condition.
- Early recognition of ISK can prevent complications associated with prolonged bowel obstruction.