Radiologic sign in small bowel obstruction
The stepladder sign is a radiological finding observed in the context of small bowel obstruction on abdominal X-rays or computed tomography scans. It refers to the appearance of multiple, dilated small bowel loops arranged in a step-like configuration, typically visible in upright or lateral decubitus imaging positions. This sign is indicative of bowel obstruction and is used to identify and localize the site of obstruction, aiding in diagnosis and management.
Pathophysiology.
In small bowel obstruction, a mechanical or functional blockage prevents normal passage of intestinal contents leading to increased peristaltic effort in the dilated loops causing bowel loops proximal to the obstruction to dilate. Gas and fluid accumulates proximal to the obstruction.
References.
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