title: Imaging of head and neck tumors with technetium(V)-99m DMSA. A new tumor-seeking agent.
abstract: Tumor scintigraphy, using Tc(V)-99m DMSA was performed on 76 patients with head and neck tumors. In 32 cases, SPECT also was performed. Tc(V)-99m DMSA was found to have a sensitivity of 75% (56 cases), a specificity of 85% (20 cases) and an accuracy of 78% on planar imaging. ECT studies showed accumulation of Tc(V)-99m DMSA in all 25 malignant cases studied. However, in benign tumors, four of seven cases (57%) showed radionuclide uptake. Tc(V)-99m DMSA has superior physical properties to Ga-67 and could be of use in the diagnosis of head and neck tumors.
mesh_terms: D000328:Adult; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000000981:diagnostic imaging; D002675:Child, Preschool; D004341:Drug Evaluation; D005260:Female; D005710:Gallium Radioisotopes; D006258:Head and Neck Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009362:Neoplasm Metastasis / Q000000981:diagnostic imaging; D011877:Radionuclide Imaging; D004113:Succimer; D013438:Sulfhydryl Compounds; D013667:Technetium; D019783:Technetium Tc 99m Dimercaptosuccinic Acid
chemical_list: D005710:Gallium Radioisotopes; D013438:Sulfhydryl Compounds; D019783:Technetium Tc 99m Dimercaptosuccinic Acid; D013667:Technetium; D004113:Succimer