Jan 9, 2025 · The coffee bean sign (also known as the kidney bean sign or bent inner tube sign) 4 is a radiological finding on an abdominal plain radiograph of a sigmoid volvulus although some …

Mar 22, 2025 · Sigmoid volvulus is differentiated from a cecal volvulus by its ahaustral wall, the lower end pointing to the pelvis and large bowel obstruction. Plain radiograph. Abdominal …

Markedly dilated loop of colon with a coffee-bean shape. Its apex points toward the right upper quadrant. Lucency at the right edge of the dilated bowel most likely represent compressed …

Signs of sigmoid volvulus to look for on a CT scan include the absence of rectal gas, an inverted U-shaped distended sigmoid colon, the coffee bean sign, and disproportionate enlargement of …

Sep 18, 2024 · On axial CT images, cecal volvulus is suggested by the extreme dilatation of the cecum. When seen on conventional radiographs or tomograms, the cecal volvulus is seen as …

Aug 7, 2024 · The following points may be helpful to distinguish between sigmoid volvulus and cecal volvulus on plain radiographs. Sigmoid volvulus. arises in the pelvis (left lower quadrant) …

Scoutogram from a CT scan (not shown) demonstrates a characteristic coffee-bean morphology of dilated large bowel, pointing to the left iliac fossa. This is consistent with a sigmoid volvulus.

The topogram performed shows a coffee bean sign. Both are characteristic of sigmoid volvulus 1 . The whirlpool sign can also refer to the 'whirl' effect in testicular and ovarian torsions.

Anteroposterior radiograph of the abdomen demonstrates the coffee bean sign in sigmoid volvulus. The coffee bean is formed by dilated loops of bowel with a radiopaque central cleft …

Grossly-dilated loop of large bowel has a 'coffee-bean shape' and the descending colon tapers in its inferior portion in keeping with a sigmoid volvulus. Normally positioned cecum and …