Angiodysplasia of the colon occurs when enlarged and fragile blood vessels in the colon result in occasional bleeding in the gastrointestinal (GI) tract.

Normal Anatomy of the Intestines
Normal Anatomy of the Large and Small Intestine
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Angiodysplasia of the colon can be caused by:

  • Increased age
  • Colon spasms that enlarge blood vessels in the area