rigler's triad
Gallstone
ileus with the classic Rigler"s triad. Abdominal plain radiograph demonstrates a calcified rounded structure located in the left flank and small bowel dilatation.
Gallstone
ileus with the classic Rigler"s triad. Axial computed tomography (CT) shows the aerobilia in the left hepatic lobe (A), fistula gallbladder-duodenum (B) and ectopic stone (C) with retrograde small bowel dilatation.
Gallstone
ileus with the classic Rigler"s triad. CT Coronal reformations show the fistula between the gallbladder and the first duodenal portion (A), small bowel dilatation (B) caused by the ectopic stone impacted in a jejunal loop (C).
nicht verwechseln mit: Rigler-ZeichenRigler triad consists of three findings seen in gallstone ileus:
- pneumobilia
- small bowel obstruction
- ectopic calcified gallstone, usually in the right iliac fossa
History and etymology
It is named after Leo George Rigler, American radiologist (1896-1979) .
Practical points
Rigler triad should not be confused with Rigler sign, the Rigler notch sign, or Hoffman-Rigler sign.
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