Clinical Presentation

The patient is a 57-year-old woman with passage of bright red blood per rectum.

(A) Selected technetium Tc 99m tagged red blood cell (RBC) study shows mobile radioactive tracer in the right hemiabdomen (arrow). (B) Selected superior mesenteric angiogram shows extravasation in the right lower quadrant (arrow). (C) Super selected ileocolic branch angiogram with use of a microcatheter. (D) Successful embolization of two cecal branches with microcoils.

Differential Diagnosis

• Colonic hemorrhage

Essential Facts