coffee bean sign is also known as
- Omega sign
- Kidney bean sign
- ‘Bent inner tube’ sign
- ‘Inverted U’ sign
coffee bean sign is not exclusive to sigmoid volvulus
Why the coffee bean sign is seen in X-Ray abdomen of sigmoid volvulus ?
- Coffee bean sign is a classic conventional radiographic finding of sigmoid volvulus.
- Closed loop of the sigmoid colon distends with gas,
- Apposition of the medial walls of the dilated bowel form the cleft of the coffee bean
- Lateral walls of the dilated bowel form the outer walls of the bean.