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CT 유도하의 경피적 폐생검 : 임상적 의의 및 합병증에 관한 연구 A Study of Clinical Significance and Complication
박재성,백상현,차장규,홍현숙,김대호,박성진,조준희,임한혁,이혜경 순천향의학연구소 2003 Journal of Soonchunhyang Medical Science Vol.9 No.2
Purpose : To determine the diagnostic accuracy and predicting factor of pneumothorax on CT-guided percutaneous transthoracic needle biopsy. Materials and Methods : Using automated biopsy devices, 107 CT-guided percutaneous needle biopsies of pulmonary lesions were performed. Final diagnosis was made with operation or other methods. We retrospectively analyzed the frequency of complications and diagnostic yields of 107 biopsies. The clinical features, treatment, and courses of complications were reviewed, and risk factors of pneumothorax such as depth and size of lesion, CT emphysema score of whole lung and pathway of needle, and the result of pulmonary function test were analyzed. Result : 96 biopsies(89.7%) yielded sufficient tissue for pathologic evaluation. For cases of malignant and benign disease, sensitivity was 91.5% and 87.5% respectively; the corresponding figures for diagnostic accuracy were 88.1% and 77.1%. So, sensitivity and diagnostic accuracy of percutaneous transthoracic needle biopsy was 89.7% and 83.2%. Eighteen(16.8%) of 107 patients developed pneumothorax and 3 of these required application of chest tube or percutaneous catheter drainage. In the group with pneumonthorax, the lesion was significantly smaller(p=0.029) and higher CT emphysema score of pathway of needle(p=0.032). But there were no significant difference between two groups(with or without pneumothorax) for depth of lesion, pulmonary function test(% predictive value of FEV1 and FEV1/FVC) and CT emphysema score of whole lung. Conclusion : CT-guided transthoracic needle biopsy of the pulmonary lesions is safe and easy method of obtaining specimens of good quality and quantity. It may be an useful procedure in the diagnosis of localized pulmonary lesions. For the prediction of pneumothorax, size of lesion and CT emphysema score of pathway of a needle are significant risk factors.
안형수,장안수,이준혁,박성우,고은석,백상현,박재성,허균,신화균,박춘식 순천향의학연구소 2004 Journal of Soonchunhyang Medical Science Vol.10 No.2
We report a case of a sclerosing hemangioma of the lung with increased size during follow up, a rare benign neoplasm of the lung. A 32-year-old woman had round increased opacity in right upper lobe on posteroanterior chest radiograph. That lesion has grown slowly over four years. Computed tomographic scan showed a well circumscribed lung mass in medial aspect of right upper lobe. Radiological differential diagnosis for the lesion included inflammatory pseudotumor, atypical carcinoid, lung cancer and localized fibrous tumor of pleura. Nonspecific findings were shown by the bronchoscopy and percutaneous transthoracic needle aspiration. Anterior and apical segmentectomy was carried out and the lesion was pathologically diagnosed as sclerosing hemangioma of lung.
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.
( Hyuk Jai Jang ),( Cheon Soo Park ),( Hwa Mi Lee ),( Sangguan You ) 대한간학회 2018 춘·추계 학술대회 (KASL) Vol.2018 No.1
Aims: Ulvan is a complex of sulfated polysaccharides derived from marine green seaweeds. One of marine green algae is codium fragile (CF). Ulvan demonstrated antioxidant as well as potential anti-inflammatory properties in previous studies. Ischemia-reperfusion injury (IRI) is a major critical event that commonly occurs after liver transplantation and resection. Reactive oxygen species -mediated release of related inflammatory factors have important roles in hepatic IRI. In this study, we investigated whether CF extract protects against IRI-induced acute liver injury in mice. Methods: Partial (70%) hepatic IRI was induced in male C57BL/6 mice by portal triad pedicle occlusion for 45 min followed by reperfusion for 6 h. CF extract (500 mg/kg body weight [BW], oral) was administered 5 days before the IRI. Results: Treatment with CF extract significantly decreased serum alanine aminotransferase (sALT), serum aspartate aminotransferase (sAST) and serum lactate dehydrogenase (LDH) as well as liver histological changes. CF extract also prevented hepatic glutathione (GSH) depletion, increased malondialdehyde (MDA) and HO-1 levels induced by IRI. Western blotting indicated that the expression of the ERK, C-JUN, and iNOS were significantly decreased in the CF extract treatment group after IRI. Conclusions: CF improved the acute hepatic IRI by reducing oxidative damage, and inflammation. These findings suggest that CF is a promising agent against acute IR-induced hepatic damage.
Jang, Hyuk-Jai,Han, Im-Ho,Kim, Young-Joo,Yamabe, Noriko,Lee, Dahae,Hwang, Gwi Seo,Oh, Miyoung,Choi, Kyung-Chul,Kim, Su-Nam,Ham, Jungyeob,Eom, Dae-Woon,Kang, Ki Sung American Chemical Society 2014 Journal of agricultural and food chemistry Vol.62 No.13
<P>Ginsenoside Re is a triol type triterpene glycoside and is abundantly present in ginseng berry. In the present study, we verified that ginsenoside Re can be transformed into less-polar ginsenosides, namely, Rg2, Rg6, and F4, by heat-processing. The products of heat-processed ginsenoside Re inhibited phosphorylation of CDK2 at Thr160 by upregulation of p21 level, resulting in S phase arrest. The products of heat-processed ginsenoside Re also activated caspase-8, caspase-9, and caspase-3, followed by cleavage of PARP, a substrate of caspase-3, in a dose-dependent manner. Concurrently, alteration of mitochondrial factors such as Bcl-2 and Bax was also observed. Moreover, pretreatment with Z-VAD-fmk abrogated caspase-8, -9, and -3 activations by the products of heat-processed ginsenoside Re. We further confirmed that the anticancer effects of the products of heat-processed ginsenoside Re in AGS cells are mainly mediated via generation of less-polar ginsenosides Rg6 and F4.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jafcau/2014/jafcau.2014.62.issue-13/jf5000776/production/images/medium/jf-2014-000776_0008.gif'></P>