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Sonography of colonic diverticulitis
Summary
Ultrasonography effectively identifies colonic diverticulitis by detecting thickened, hypoechoic bowel walls. This imaging technique is recommended before contrast enemas for suspected diverticulitis diagnosis.
Area of Science:
- Gastroenterology
- Diagnostic Imaging
- Abdominal Surgery
Background:
- Diverticulitis is a common condition affecting the colon.
- Accurate diagnosis is crucial for appropriate management.
- Conventional imaging methods like barium enemas have limitations.
Purpose of the Study:
- To describe sonographic findings in patients with colonic diverticulitis.
- To evaluate the utility of ultrasonography in diagnosing diverticulitis.
- To compare ultrasonography with contrast enema examinations.
Main Methods:
- Sonographic examination of 16 patients with suspected diverticulitis.
- Detailed analysis of colonic wall thickness, echogenicity, and segment length.
- Correlation of sonographic findings with clinical presentation and other imaging modalities.
Main Results:
- Inflamed colonic segments showed hypoechoic and thickened walls (5-17 mm).
- Sonography visualized long inflamed segments (6-9 cm) and adjacent less involved areas (7-15 cm).
- Abscesses were detected in 7 of 16 patients; barium extravasation was seen in only 2.
Conclusions:
- Ultrasonography is a valuable tool for diagnosing colonic diverticulitis.
- It can identify key features like wall thickening and hypoechogenicity.
- Recommended prior to contrast enemas, especially when abscesses are suspected.