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- W1998899178 abstract "The response of human tumour blood flow to a fractionated course of thermoradiotherapy was documented in four superficial but bulky tumours (three ade—nocarcinomas, one melanoma). Blood flow was measured 15, 30, 45, and 60 min after the onset of heating. These measurements were made at the same intra—tumour point during each heat fraction by use of a modified thermal clearance technique in which a correction was made for the heat dissipated by thermal conduction. This point was at least 2 cm beneath the surface in the central portion of the tumour. Extracellular pH was measured within 1 cm of this point prior to the first heat fraction and 2‐3 weeks later. Hyperthermia was administered for 60 min, twice a week for 4 weeks by use of a 16-channel 915 MHz microwave applicator. Each patient also received a radiation dose of 40 Gy fractionated at 2Gy/fx, five times a week (adenocarcinomas) or 4Gy/fx, twice a week (melanoma). Blood flow remained relatively constant during heating after steady state conditions were attained. However, an overall decrease in tumour blood flow was observed in each patient over the course of thermoradiotherapy. In each case, a relatively small decrease in blood flow occurred between most heat fractions which resulted in an overall decrease which ranged from 50–100% However, there was a tendency for blood flow to increase following the initial heat fraction at points where the steady state temperature was approximately 41 °C or less. Extracellular pH increased in two of three patients and decreased in the other." @default.
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- W1998899178 title "The response of human tumour blood flow to a fractionated course of thermoradiotherapy" @default.
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- W1998899178 doi "https://doi.org/10.3109/02656739809018245" @default.
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