title: Technetium-99m RBC venography revealing bilateral iliac vein obstruction.
abstract: Tc-99m RBC venography demonstrated bilateral iliac vein obstruction with subsequent collateral flow through the internal iliac veins into the internal and perimuscular rectal plexuses.
mesh_terms: D003251:Constriction, Pathologic / Q000000981:diagnostic imaging; D004912:Erythrocytes; D005260:Female; D006801:Humans; D007084:Iliac Vein / Q000000981:diagnostic imaging*; D008875:Middle Aged; D011877:Radionuclide Imaging; D013667:Technetium
chemical_list: D013667:Technetium