Appendiceal bleeding caused by angiodysplasia: A case report and review of literature

Figure 1 Colonoscopic examination shows bright red blood in the ileocecal region, and a blood clot and blood flowing from the appendix orifice. A: Blood clot at the appendiceal orifice (arrow); B: Extravasation of blood from the orifice of the appendix after flushing (arrow).

Figure 2 Abdominal computed tomography angiography reveals active appendiceal bleeding. A: Computed tomography scan without contrast showing no abnormalities (arrow); B: The arterial phase showing an active contrast leak in the appendix (arrow); C: The venous phase showing progressive enlargement of the contrast leak (arrow).

Figure 3 The histopathology of the resected specimen. Abnormal veins piercing the muscle layers of the appendix can be seen. Blue arrow: Abnormal veins.