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이재호(Jae Ho Lee),현인규(In Gyu Hyun),최동철(Dong Chul Choi),유철규(Chul Gyu Yu),송재훈(Jae Hoon Song),정기석(Ki Suck Jung),김영환(Young Whan Kim),한성구(Sung Ku Han),심영수(Young Soo Shim),김건열(Keun Yeol Kim),한용철(Yong Chul Han 대한내과학회 1991 대한내과학회지 Vol.40 No.3
N/A Radiation pneumonitis is one of the most important early complication of radiation therapy. In order to examine whether or not the increasing in patients suffering from concurrent COPD and Lung Ca, and to study clinical features of radiation pneumonitis, the writers conducted a retrospective study on 60 patients with proven lung cancer who underwent radiation therapy during the period from 1985 to 1988 and had their PFT performed before the radiation and obtained the following results; 1) Non productive cough was the most frequent clinical symptom of radiation pneumonitis and dyspnea, whitish sputum, chest tightness, mild fever was also present. The clinical symptom was not related to radiation dose, initial time of pneumonitis, PFT, age but was more serious in the patients with FEV1/FVC more than 70%. 2) Radiation pneumonitis occurred most frequently between the period of 4 weeks and 12 weeks and onset time of radiation pneumonitis was not related to the radiation dose, PFT, age, 3) Chest X-ray showed alveolar, alveolar-interstitial mixed, interstitial pattern, fibrosis confined to radiation field and changed with time. 4) There was no significant difference between FEV1, FVC, FEV1/FVC and incidence of radiation pneumonitis but in patents with FEV1/FVC more then 70%, there was significantly higher incidence of radiation pneumonitis. 5) The incidence of radiation pneumonitis was increased as radiation dose was increased.