Colectomy is used to treat and prevent diseases and conditions that affect the colon, such as: Bleeding that can't be controlled. Severe bleeding from the colon may require surgery to remove the affected portion of the colon. Bowel obstruction.

Why might someone need a colectomy?

Reasons for a colectomy

A blockage (also called an obstruction) or a twisting (called a Volvulus) in the colon. Colon cancer, or other tumors within or involving the colon. Complicated diverticulitis or other cause of severe infection of the colon. Digestive tract disorders, such as Crohn's Disease or Ulcerative ...

Is a colectomy major surgery?

A total colectomy is a major operation and requires a three to seven-day hospital stay on average.