Figure 3.

Anterior plane abdominal scintigraphy at 10 min and 1, 2, 3, 6, and 24 h after intravenous administration of technetium-99m-labeled human serum albumin. Tracer accumulation in large vessels, heart blood pool, liver, and kidney is present at 10 min and 1 h. Tracer accumulation in the abdomen is not present at 10 min and 1 h. Tracer accumulation in the lower abdomen is vaguely observed at 2 and 3 h (red circles). A large amount of tracer accumulation is present in the right lower abdomen at 6 h, and the radionuclide shows the bowel. Clear colonic tracer accumulation is present at 24 h.