Microbeam radiation therapy of the intracerebral 9L gliosarcoma in rats, an experimental surrogate for human malignant gliomas, using mainly 30–130 keV wiggler-generated x rays, extended the residual lifespans of some rats ten or more times over those of untreated, similar gliosarcoma-bearing rats. The rats were exposed 300 or 600 times to an upright, 25-μm-wide, 4-mm-high x-ray beam. A multislit collimator has been designed to shorten the time required for the therapy.
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Slatkin et al. (1995) studied this question.
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