Answer:
Sigmoid Volvulus
Abdominal plain films are usually diagnostic.
Case Contributed By: Dr. Dao Danh Vinh, Bach Mai Hospital, Vietnam
Sigmoid Volvulus
Abdominal plain films are usually diagnostic.
- Inverted U-shaped appearance of distended sigmoid loop
- Largest and most dilated loops of bowel are seen with volvulus
- Loss of haustra
- Coffee-bean sign à midline crease corresponding to mesenteric root in a greatly distended sigmoid
- Sigmoid volvulus – bowel loop points to RUQ
- Cecal volvulus – bowel loop points to LUQ
- Dilated cecum comes to rest in left upper quadrant
- Bird’s-beak or bird-of-prey sign à seen on barium enema as it encounters the volvulated loop
Case Contributed By: Dr. Dao Danh Vinh, Bach Mai Hospital, Vietnam