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Omental torsion: CT features
1Department of Diagnostic Radiology, Hanyang University Kuri Hospital, Hanyang University College of Medicine, 249-1 Kyomoon-Dong, Kuri City, Kyunggi-Do, 471-701, South Korea.
Abdominal Imaging
|May 12, 2004
Summary
Omental torsion is a rare surgical emergency causing right upper quadrant pain. Computed tomography revealed a characteristic whirling pattern, confirming the diagnosis of omental infarction.
Area of Science:
- Gastroenterology
- Surgical Pathology
- Radiology
Background:
- Omental torsion is an uncommon cause of acute abdominal pain, often mimicking other conditions like acute cholecystitis.
- Early diagnosis is crucial for effective management and to prevent complications.
Observation:
- A 33-year-old male presented with right upper quadrant pain, initially suspected as acute cholecystitis.
- Abdominal computed tomography (CT) demonstrated a distinct "whirling" pattern of fatty streaks and vessels in the greater omentum.
Findings:
- Surgical exploration confirmed omental infarction due to torsion.
- The CT findings were pathognomonic for omental torsion, correlating with surgical and pathological evidence.
Implications:
- This case highlights the importance of recognizing the specific CT "whirling" sign for diagnosing omental torsion.
- Accurate and timely diagnosis via imaging can prevent unnecessary surgeries for conditions with similar presentations.
- Omental torsion should be considered in the differential diagnosis of acute abdominal pain, particularly when CT shows characteristic imaging findings.