title: "Delta sign" in bone scan interpretation--a cautionary note.
mesh_terms: D001859:Bone Neoplasms / Q000000981:diagnostic imaging* / Q000556:secondary; D003951:Diagnostic Errors; D005260:Female; D006801:Humans; D006811:Humerus / Q000000981:diagnostic imaging*; D008875:Middle Aged; D011877:Radionuclide Imaging; D013669:Technetium Tc 99m Medronate
chemical_list: D013669:Technetium Tc 99m Medronate