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유방암 환자에서 방사선 조사 후 발생한 폐쇄성 세기관지 기질화 폐렴
홍지형 ( Ji Hyung Hong ),강지영 ( Ji Young Kang ),김태정 ( Tae Jung Kim ),이재호 ( Jae Ho Lee ),김대원 ( Dae Won Kim ),윤형규 ( Hyoung Kyu Yoon ),송정섭 ( Jeong Sup Song ) 대한내과학회 2011 대한내과학회지 Vol.80 No.4
Pulmonary toxicity can develop following radiation therapy during breast cancer treatment. Of the pulmonary toxicities that can develop, radiation-induced bronchiolitis obliterans organizing pneumonia (BOOP) is relatively rare. A 43-year-old woman who had previously undergone radiation therapy for right breast cancer presented with fever and cough for 4 days. Chest radiology findings demonstrated consolidations in the right middle and lower lobe. Initially, we assumed that her findings were consistent with pneumonia and started empirical antibiotics. However, even after 10 days of antibiotic treatment, the fever persisted, and the consolidations showed progression. A transbronchial lung biopsy of the right middle lobe via bronchoscopy revealed organizing pneumonia. We strongly suspected radiation-induced BOOP and began steroid treatment. The symptoms and consolidations rapidly disappeared. We tapered the steroids, and no relapse has occurred since then. Considering the clinical, radiological, and pathological findings, we diagnosed the patient with radiation-induced BOOP. To our knowledge, this is the first case of radiation-induced BOOP in Korea. (Korean J Med 2011;80:458-463)
이주형(Ju-Hyoung Lee),차준석(Jun-Seok Cha),홍지형(Ji-Hyung Hong),정동일(Dong-Il Jung),김지영(Ji-Young Kim) 한국대기환경학회 2008 한국대기환경학회지 Vol.24 No.E1
Benzene is a very harmful and toxic compound known as human carcinogen by all routes of exposure. Owing to the risky feature of benzene, several countries such as Japan, UK and EU have established the ambient air quality standard and protect from that risk of it. Korea also has designated it as one of the criteria air pollutants and established the concentration limit (5 ㎍/㎥) in the air and is going to apply the standard from 2010. Benzene is emitted from various sources such as combustion plants, production processes, waste treatment facilities and also automobiles. Mobile source is known as one of the major emission sources of benzene. In this study, we estimated the domestic emissions of benzene from mobile source and compared the results with those of advanced countries. Mobile source was divided into 2 categories, i.e., on-road source and non-road source. The total emissions of benzene from mobile source were estimated as 3,106 tons/yr and 1,612 tons/yr was emitted from on-road source and 1,494 tons/yr was from non-road source. Emission ratio of benzene from on-road source showed that 80.0% was from passenger cars, 10.1% was from taxis, 7.2% was from light-duty vehicles, 2.5% was from heavy-duty vehicles and 0.2% was from buses. In the case of non-road source, the distribution showed that 66.3% was from construction machineries, 14.5% was from locomotives, 11.7% was from ships, 7.1% was from agriculture equipments and 0.5% was from aircrafts. The cold-start emissions were estimated as 942 tons/yr and this value was almost 1.5 times greater than that for hot engine emissions (608 tons/yr). In addition, the fuel-based distribution was 65.9%, 31.1% and 2.8% from gasoline, LPG and diesel vehicles, respectively. The emission ratio from mobile source occupied 65% and 30% of total benzene emissions in USA and UK, respectively. In case of Korea, the emission ratio of benzene from mobile source occupied 29% (15% from on-road source, 14% from non-road source) which showed similar value with UK.
이주형(Ju-Hyoung Lee),차준석(Jun-Seok Cha),홍지형(Ji-Hyung Hong),정동일(Dong-Il Jung),김지영(Ji-Young Kim) 한국대기환경학회 2008 한국대기환경학회지 Vol.24 No.1
Benzene is a very harmful and toxic compound known as human carcinogen by all routes of exposure. Owing to the risky feature of benzene, several countries such as Japan, UK and EU have established the ambient air quality standard and protect from that risk of it. Korea also has designated it as one of the criteria air pollutants and established the concentration limit (5 ㎍/㎥) in the air and is going to apply the standard from 2010. Benzene is emitted from various sources such as combustion plants, production processes, waste treatment facilities and also automobiles. Mobile source is known as one of the major emission sources of benzene. In this study, we estimated the domestic emissions of benzene from mobile source and compared the results with those of advanced countries. Mobile source was divided into 2 categories, i.e., on-road source and non-road source. The total emissions of benzene from mobile source were estimated as 3,106 tons/yr and 1,612 tons/yr was emitted from on-road source and 1,494 tons/yr was from non-road source. Emission ratio of benzene from on-road source showed that 80.0% was from passenger cars, 10.1% was from taxis, 7.2% was from light-duty vehicles, 2.5% was from heavy-duty vehicles and 0.2% was from buses. In the case of non-road source, the distribution showed that 66.3% was from construction machineries, 14.5% was from locomotives, 11.7% was from ships, 7.1% was from agriculture equipments and 0.5% was from aircrafts. The cold-start emissions were estimated as 942 tons/yr and this value was almost 1.5 times greater than that for hot engine emissions (608 tons/yr). In addition, the fuel-based distribution was 65.9%, 31.1% and 2.8% from gasoline, LPG and diesel vehicles, respectively. The emission ratio from mobile source occupied 65% and 30% of total benzene emissions in USA and UK, respectively. In case of Korea, the emission ratio of benzene from mobile source occupied 29% (15% from on-road source, 14% from non-road source) which showed similar value with UK.