The following signs are demonstrated on this CT:
marked distension of a segment of small bowel
radially distributed, C or U-shaped small bowel loops
"beak sign": of the tapering bowel loops at the point of obstruction
"whirl sign": of the tightly twisted mesentery
two adjacent collapsed loops of bowel
Closed ileal bowel loop obstruction is suggested with strangulation and right iliac fossa appendicular mucocele.