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젊은 남자에게 발생한 통상성 간질성 폐렴과 동반된 폐암 1예
박종숙,이준혁,박성우,장안수,박춘식,박재성,백상현,고은석,신화균 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2
Usual interstitial pneumonia(UIP) is relatively rare disease of lung parenchyme under the age of 50. Lung cancer is reported to occur as a complication of UIP, but has not been reported in young age patient with UIP in Korea. A 35-year-old man was admitted to the hospital because of dyspnea, cough and mild fever. He had been suffered from dyspnea during 3 years. The dyspnea worsened recent 1 month ago. He had been treated with pneumonia at another hospital during 4 months before this admission. Chest radiographs and High resolution CT showed subpleural and basal dominant reticular opacities in both lung with no change until now. He was smoker and his occupation was car engine-man dealing with benzene. UIP is suspected by history and radiologic findings. Operation for open lung biopsy was performed to obtain lung specimen via video-assisted thoracoscopic surgery. Patient's pathologic examination showed UIP combined with adenocarcinoma in RLL superior segment and posterobasal segment and RLL lobectomy was done. After operation, the patient has been in cancer free condition so far. We report a case of UIP combined with lung cancer in young man with brief review of the literature.
Evolutionary dynamic of HA gene of swine H1N2 influenza virus in Korea from 2009 to 2022
Go-Eun Shin,Eun-Yong Lee,Kyoung-Ki Lee,Ilseob Lee,Bok-Kyung Ku,Hye-Young Jeoung 한국예방수의학회 2023 예방수의학회지 Vol.47 No.4
Pigs are considered a “mixing vessel” that can produce new influenza strains through genetic reassortments, which threaten public health and cause economic losses worldwide. We performed surveillance of swine influenza virus (SIV) using 114,140 nasal swabs from 11,414 Korean farms from 2009 to 2022, and characterized their genetic evolution at each farm level. A total of 169 farms out of the 11,414 (1.48%) were SIV-positive. The positivity rate for the H1N2 subtype, which is most dominant in the pig population, was 37.87% (64/169). Through hemagglutinin (HA) gene analysis, 64 H1N2-positive farms were classified into Eurasian avian-like (46/64, 71.88%), triple-reassortant (14/64, 21.88%), pdm09 (3/64, 4.69%), and classical swine (1/64, 1.56%) groups. The estimated evolutionary rate of HA in H1N2 from 2009 to 2022 in Korea is 1.5309 × 10-3/site/year (95% HPD intervals from 1.0003 × 10-3 to 2.1735 × 10-3) with an estimated mean growth rate of 0.0114. Estimates of the relative genetic diversity of clades over time suggested that the HA of H1N2 exhibited an increase in population size. The results of this study showed that the Eurasian avian-like-HA of the H1N2 subtype was dominant in the pig population. The continued evolution of the HA of H1N2, which is critical for cell entry, might lead to genetic diversity and the loss of vaccine cross-protection. These results indicate that continus surveillance is imperative for monitoring the evolution of the swine influenza virus.
( Shin Jae Rhim ),( Seung Hun Son ),( Hyun Su Hwang ),( Joo Han Sung ),( Go Eun Park ),( Chan Ryul Park ) 한국임학회 2014 산림과학 공동학술대회 논문집 Vol.2014 No.-
This study was examined characteristics of small rodent populations using live trappings between natural deciduous forest and Japanese larch Larix leptolepis plantation on Mt. Gariwang, Pyeongchang, Gangwon Province, Korea. There were significant differences in foliage profiles, diameter at breast height distribution of standing trees, stand structure attributes, and characteristics of downed trees between natural deciduous forest and Japanese larch plantation. Moreover, differences in both species richness and abundance of small mammals were observed in this study. The number of captured individuals, age structure, and sex ratio varied over the course of the trapping sessions in both study areas. For the forest managers, an understanding of interaction between habitat characteristics and small mammal population dynamics is important to forest management.
Shin, Sung Jae,Choi, Go-Eun,Cho, Sang-Nae,Woo, Sook Young,Jeong, Byeong-Ho,Jeon, Kyeongman,Koh, Won-Jung Oxford University Press 2013 Clinical infectious diseases Vol.57 No.1
<P>The clinical manifestation and disease progression of <I>Mycobacterium abscessus</I> and <I>Mycobacterium massiliense</I> lung disease are variable. This study provides evidence that the clinical isolates of <I>M. abscessus</I> and <I>M. massiliense</I> with specific genotypes are associated with disease phenotype and progression.</P>