title: Nonvisualization of spleen following blunt trauma.
mesh_terms: D000007:Abdominal Injuries / Q000000981:diagnostic imaging*; D000328:Adult; D006801:Humans; D008297:Male; D011877:Radionuclide Imaging; D013154:Spleen / Q000000981:diagnostic imaging / Q000293:injuries*; D013671:Technetium Tc 99m Sulfur Colloid; D014949:Wounds, Nonpenetrating / Q000000981:diagnostic imaging*
chemical_list: D013671:Technetium Tc 99m Sulfur Colloid