PMID: 16613661Apr 15, 2006Paper

Characteristics of patients who developed radiation pneumonitis requiring steroid therapy after stereotactic irradiation for lung tumors

The Cancer Journal
Masaharu FujinoMasahiro Hiraoka

Abstract

To find possible risk factors for symptomatic radiation pneumonitis (RP) after stereotactic irradiation (STI) for peripheral non-small cell lung cancer (NSCLC), pre-treatment pulmonary function test and dose volume statistics in patients who developed RP requiring steroid intake were retrospectively compared with statistics of those who did not develop RP. From 1996 to 2002, 156 patients with Stage I NSCLC received STI at 5 hospitals in Japan. Of those patients, 12 were medicated with steroids for RP after treatment (RP group). For comparison, 31 patients were randomly selected from the remaining 144 patients who received STI but did not receive steroids (control group). There were no statistical differences in age, sex, tumor size, performance status, forced expiratory volume in 1 sec (FEV1.0%), or percent vital capacity (%VC) between patients medicated with steroids for RP and those who did not have RP and received no steroids. V20 (%) was 7 to 18% (median 8%) in patients medicated with steroids for RP and 2 to 16% (median 7%) in those who did not have RP. No difference was observed in V20, the biologically effectively dose (BED) at the periphery of the planning target volume, or the dose per fraction between the two groups. ...Continue Reading

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Apr 15, 2006·The Cancer Journal·Robert D Timmerman, Michael Story
Jun 4, 2008·Current Opinion in Pulmonary Medicine·David Ball
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