Dear Dr. Roach: This past weekend, during my son’s wedding festivities, I experienced a sigmoid volvulus. Doctors recommended surgery, but I opted for a colonoscopy, which was performed ...

The most common form of twisted bowel is sigmoid volvulus. It’s the twisting of the last part of your colon , called the sigmoid colon. It can also happen at the beginning of the large intestine ...

Sigmoid volvulus is rare in the U.S., accounting for 10% of intestinal obstruction cases, researchers note. Risk factors include older age and chronic constipation.

Images in Clinical Medicine; Interactive Medical Cases; Plain Language/Research Summaries; ... Bruusgaard, C. Volvulus of sigmoid colon and its treatment. Surgery 22:466–478, 1947.