Acquired isolated diverticulum at the ileocecal valve presenting as massive hematochezia: an unusual location and cause of gastrointestinal bleeding.

The article presents a case study of a patient who developed gastrointestinal bleeding due to acquired diverticulum at the ileocecal valve. Topics discussed include massive hematochezia presented by the patient, the results of colonoscopy and histologic examination, and therapeutic angiography to control the bleeding.