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Shigella colitis with radiological and endoscopic correlation: case report.
1Department of Radiology, St. Michael's Hospital, Toronto, Ontario.
Summary
Shigella flexneri infection caused acute colitis, with imaging revealing pseudopolyposis and persistent mucosal abnormalities even after recovery. This highlights the long-term impact of Shigella infections on the colon.
Area of Science:
- Gastroenterology
- Infectious Diseases
- Radiology
Background:
- Acute colitis can result from bacterial infections, notably Shigella flexneri.
- Diagnostic imaging and endoscopy are crucial for assessing colitis severity and extent.
Observation:
- A patient with acute colitis due to Shigella flexneri underwent radiologic and endoscopic evaluation.
- Imaging studies were performed during and after the patient's clinical recovery.
Findings:
- Hypotonic air contrast barium enemas effectively evaluated disease proximal to flexible sigmoidoscopy.
- Pseudopolyposis, previously unreported in acute Shigella colitis, was observed.
- Persistent mucosal abnormalities were noted long after clinical resolution.
Implications:
- Air contrast barium enemas offer valuable insights into proximal colonic involvement in Shigella colitis.
- The presence of pseudopolyposis in the acute phase warrants further investigation.
- Persistent mucosal changes suggest potential long-term sequelae of Shigella infections.