title: Focal bone marrow activity. A false-positive on a sulfur colloid bleeding study.
mesh_terms: D000368:Aged; D001853:Bone Marrow / Q000000981:diagnostic imaging*; D005189:False Positive Reactions; D006471:Gastrointestinal Hemorrhage / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D011877:Radionuclide Imaging; D012007:Rectum; D013671:Technetium Tc 99m Sulfur Colloid
chemical_list: D013671:Technetium Tc 99m Sulfur Colloid