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A REVIEW OF PERMANENT INTERSTITIAL IMPLANT RADIOTHERAPY USING RADON‐222 AND IODINE‐125 *
Author(s) -
Walker Michael A.
Publication year - 1982
Publication title -
veterinary radiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.541
H-Index - 60
eISSN - 1740-8261
pISSN - 0196-3627
DOI - 10.1111/j.1740-8261.1982.tb01286.x
Subject(s) - radiation therapy , medicine , implant , dosimetry , nuclear medicine , medical physics , radiology , surgery
It is important that veterinarians who perform radiation therapy possess a minimum basic knowledge of interstitial implant radiotherapy and of radionuclides used as interstitial implants. The advantages and disadvantages of interstitial implants as compared with tele‐therapy, surgery, and chemotherapy, are presented. Two radionuclides, radon‐222 and iodine‐125, are discussed, and their physical parameters, cost, safety, and radiotherapeutic efficacy in human patients are compared. Three methods of dosimetry are briefly discussed: the Patterson‐Parker system, the Quimby system, and the dimension averaging technique. Some types of implant needles and associated implant equipment are described. It is concluded that permanent interstitial implants deserve consideration as a modality for treatment of appropriate spontaneous animal neoplasms.