title: An improved after-loading technique for perineal implants.
abstract: A technique is described for achieving better geometry in anal and perineal implants using iridium-192 wire sources. The special after-loading needles described have proved satisfactory in clinical use by the author for several years. The needles which are used for this technique can also be used for other tumour sites where a rigid line source is considered necessary.
mesh_terms: D001005:Anus Neoplasms / Q000532:radiotherapy; D001918:Brachytherapy / Q000295:instrumentation / Q000379:methods*; D005260:Female; D006801:Humans; D007495:Iridium / Q000627:therapeutic use; D009339:Needles; D010502:Perineum; D011868:Radioisotopes / Q000627:therapeutic use; D014846:Vulvar Neoplasms / Q000532:radiotherapy
chemical_list: D011868:Radioisotopes; D007495:Iridium