title: Clinical results of immunoscintigraphy in a variety of malignant tumors with special reference to immunohistochemistry.
abstract: Radioimmunoscintigraphy was performed in 52 patients with a variety of malignant tumors (colorectal, melanoma, lung, testicular, ovarian, bladder, carcinoid). Respective antibodies or their F(ab')2 fragments against CEA (n = 23), melanoma antigen 225.28 S (n = 18), TPA (n = 4), beta HCG (n = 5) and HMFG2 (n = 2) were selected by immunohistochemistry of the primary tumor. Most patients were suspected of recurrence or of hitherto unknown distant or local metastases. Overall accuracy was 61% (32/52). False negatives amounted to 33% (17/52). Useful additional clinical information-not available by CT, ultrasonics or serum levels of tumor markers-was obtained in 17 out of 52 patients (= 33%). From these results it seems obvious that antibodies used for radioimmunoscintigraphy should be selected on the basis of immunohistochemistry.
mesh_terms: D000911:Antibodies, Monoclonal; D000918:Antibody Specificity; D000951:Antigens, Neoplasm / Q000276:immunology; D002272:Carcinoembryonic Antigen / Q000276:immunology; D002276:Carcinoid Tumor / Q000000981:diagnostic imaging; D003110:Colonic Neoplasms / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007124:Immunoenzyme Techniques; D007457:Iodine Radioisotopes; D008175:Lung Neoplasms / Q000000981:diagnostic imaging; D008297:Male; D009364:Neoplasm Recurrence, Local / Q000000981:diagnostic imaging; D009369:Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D010051:Ovarian Neoplasms / Q000000981:diagnostic imaging; D011877:Radionuclide Imaging; D012004:Rectal Neoplasms / Q000000981:diagnostic imaging; D012878:Skin Neoplasms / Q000000981:diagnostic imaging; D013736:Testicular Neoplasms / Q000000981:diagnostic imaging
chemical_list: D000911:Antibodies, Monoclonal; D000951:Antigens, Neoplasm; D002272:Carcinoembryonic Antigen; D007457:Iodine Radioisotopes