string of beads sign

string of beads sign
1. a series of round shadows resembling a string of beads or pearls, seen on a radiograph of the small intestine, indicating bubbles of trapped gas surrounded by the fluid of an obstructed and distended bowel. 2. the appearance on an angiogram of an artery affected by fibromuscular dysplasia, with areas of protruding aneurysms alternating with areas of thinning and stenosis.

Medical dictionary. 2011.

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