markings help to differentiate it from other causes of pneumoperitoneum.
However, the haustral
folds of bowel loops may not be seen in a chest X-ray.
The "accordion sign" may be seen, defined as alternating edematous haustral
folds separated by transverse mucosal ridges filled with oral contrast material.
On plain abdominal radiographs, cecal volvulus is seen as a rounded focal collection of air-distended bowel, with haustral
creases, that resembles a "coffee bean" or "comma.
This sign describes the appearance of alternating, edematous haustral
folds that are due to transmural edema and are separated by transverse mucosal clefts filled with oral contrast (Figure 24).
1) The presence of a normal haustral
pattern also supports the sign being a normal variant.
The device can help find lesions located on the proximal aspect of flexures or haustral
folds, panelist Dr.