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Ultrasonography in Crohn's disease
Gastrointestinal Radiology
|January 1, 1984
Summary
Ultrasound effectively diagnoses Crohn's disease by identifying characteristic findings like "conglomerations" of inflamed bowel loops. This imaging technique serves as a valuable initial screening tool for acute and subacute cases.
Area of Science:
- Gastroenterology
- Diagnostic Imaging
- Abdominal Ultrasound
Background:
- Crohn's disease diagnosis often relies on invasive or less accessible methods.
- Early and accurate diagnosis is crucial for timely management of Crohn's disease.
- Ultrasound's role in diagnosing acute and subacute Crohn's disease requires further elucidation.
Observation:
- Eighteen patients with acute and subacute Crohn's disease underwent abdominal ultrasound examinations.
- Ultrasound was the primary diagnostic modality in 7 patients, with subsequent confirmation via barium studies.
- Key ultrasonographic findings included bowel loop "conglomerations," abscess formation, and fluid accumulation.
Findings:
- The most common finding was "conglomeration," characterized by matted, inflamed bowel loops appearing as irregular masses with mixed echodense and sonolucent areas.
- "Fatty conglomeration" was observed, where mesenteric fat obscured the underlying inflamed bowel loops, presenting a diffuse echo pattern.
- Additional signs included the "target" or "bull's eye" sign, indicative of bowel wall thickening.
Implications:
- Abdominal ultrasound is a reliable initial screening tool for diagnosing Crohn's disease, particularly in acute and subacute presentations.
- Characteristic ultrasound findings can guide further diagnostic workup and expedite treatment initiation.
- This study highlights the utility of ultrasound in visualizing the inflammatory changes associated with Crohn's disease, including mesenteric involvement.