Abstract
The dosimetry of a linear arrangement of sources in treating carcinoma of the cervix is described and compared to a typical forniceal placement. The dose distribution is more uniform throughout the length of the linear system and may be more accurately integrated with external irradiation. The lead shields incorporated in the linear applicator and the use of 137CS as the radiation source halve the dose to the rectum. The total-body and bone-marrow doses are reduced, yet the pelvic doseis higher.
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