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Radiation pneumonitis: A new approach to the derivation of time‐dose factors
Author(s) -
Wara William M.,
Phillips Theodore L.,
Margolis Lawrence W.,
Smith Ver
Publication year - 1973
Publication title -
cancer
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.052
H-Index - 304
eISSN - 1097-0142
pISSN - 0008-543X
DOI - 10.1002/1097-0142(197309)32:3<547::aid-cncr2820320306>3.0.co;2-4
Subject(s) - medicine , radiation pneumonitis , dactinomycin , pneumonitis , regimen , radiation therapy , lung , surgery , biology , cycloheximide , microbiology and biotechnology , protein biosynthesis
A series of 51 patients treated with 92 separate lung fields for metastatic pulmonary disease between 1958 and 1971 is reviewed. The treatment data are converted into nominal single doses (NSD) and a newly derived formula for estimated single doses (ED). The 5% incidence level of pneumonitis without dactinomycin is 770 rets (NSD) and 510 rets (ED) and with dactinomycin, 520 rets (NSD) and 450 rets (ED). A safe treatment regimen for avoiding radiation pneumonitis is 1500 rads in 10 fractions with dactinomycin and 2500 rads in 20 fractions without dactinomycin.