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윤혜원,심기남,나선경,송도경,정정화,정가영 이화여자대학교 의과학연구소 2012 EMJ (Ewha medical journal) Vol.35 No.2
Double primary cancers are two independently developed cancers in an individual. There have been some reports on double primary cancer since Billroth reported it for the first time in 1879. Double primary cancer of the stomach and esophagus has been revealed a very low incidence worldwide. The incidence of an esophageal cancer with another primary cancer is reported to be 9.5∼27%, but double primary cancers in the esophagus and stomach have been rarely reported to our knowledge. In this study, we present here a case of double primary esophageal and stomach cancer in a 66-year-old man because of progressive dysphagia.
심실보조장치 이식의 새로운 수술기법-Korea University Technique-
선경,박성영,오혜정,신재승,이혜원,심환주,김형묵 제주대학교 인공심장이식연구소 2001 인공심장 연구 Vol.2 No.1
고려대학교 흉부외과에서는 심실보조장치 이식에서 흉골 재절개(re-sternotomy)에 따른 합병증과 사망률을 감소시키기 위하여 우측 개흉을 이용한 독자적인 수술법을 개발하였다 (KU technique). 다양한 동물모델과 사체실험 및 임상적용을 통해 안정성과 유용성을 확인하였으며, 향후 좌심 및 양심보조장치 이식에서 표준기법의 하나로 제안하고자 한다. We have developed a new surgical technique (KU technique) of right thoracotomy for cannulation of ventricular assist devices, which can lessen potential morbidity and morta1ity from re-sternotomy. The technique has been proved to be safe and efficient in various animal models, preclinical cadaver fitting test, and human application. We would like suggest KU technique as a part of standard in implantation of left ventricular or hi-ventricular assist devices.
거친 표면을 가진 흡수체와 버퍼의 측면에 의한 극자외선 산란효과
권영근,심상진,김종회,김옥경,오혜근 한양대학교 이학기술연구소 2003 이학기술연구지 Vol.6 No.-
마스크 상의 거친 표면을 정의하기 위해서 Monte-Carlo 방법이 적용되었다. 극자외선 마스크의 거친 표면 함수, 즉 power spectral density 에 의해 표현된 무작위적인 표면의 높이 변화는 상면에서의 전기장을 계산하기 위해서 재정의 되었다. Feynmann의 접근 방식과 유사한 산란에 대한 일반식을 유도하였고, 이는 결상과정에서 마스크의 단차상의 거친 측면에 의한 효과를 알아보기 위해서 적용되어졌다. 거친 표면과 완전히 편평한 표면에 대한 전기장의 위상과 진폭 변화 정도를 비교하기 위해서 다중 산람 문제 또한 여러 다른 패턴에 대하여 이 논문에서 다뤄졌다. The Monte-Carlo Method is adopted to define the roughness of the mask structure. A random surface height variation described by power spectral density for the rough surfaces of an estreme ultraviolet (EUV) mask is to be redefined to calculate the field in the image plane. A general explicit formula of the scattering, which is analogous to Feynman's approach, is derived, and it is adapted to the EUV mask structure to evaluate the effect of the surface roughness of the side wall of the mask topography on the image formation. The multiple random scattering problems are dealt with the different pattern types in order to compare field variations in phase and amplitude with the ideal flat surface.
Clostridium difficile 장염에 의한 속발성 유전분증에서 발현된 독성 장염
조형원,정혜경,강현주,이윤표,강혜원,심기남,정성애 Ewha Womans University School of Medicine 2014 EMJ (Ewha medical journal) Vol.37 No.1
Amyloidosis is characterized by extracellular deposition of protein fibrils in one or multiple organs. AA amyloidosis is secondarily occurred to be related with chronic infections or inflammatory diseases. We report a 67-year-old man suffered from secondary AA amyloidosis related with chronic Clostridium difficile colitis after repeated total hip replacement surgery. Infection control is the most important treatment of AA amyloidosis secondary to chronic infection. However, the patient’s C. difficile colitis was not controlled well, eventually toxic megacolon with sepsis was developed. Consequently, he had to take total colectomy, but he expired with multi-organ failures. We suggested that early surgical procedure might be one option for intractable C. difficile colitis complicated with secondary amyloidosis.
서울 단일 지역의 Helicobacter pylori 1차 제균율과 2차 제균율의 변화
김미연,심기남,김혜인,강현주,류민선,안소영,정혜경,정성애 Ewha Womans University School of Medicine 2014 EMJ (Ewha medical journal) Vol.37 No.1
Objectives: To investigate the rate of first-line eradication and the rate of second-line eradication of Helicobacter pylori (H. pylori) from 2001 to 2010 in a single institute in Seoul. Methods: Among the 2,717 patients who received H. pylori eradication treatment from 2001 to 2010 at Ewha Womans University Mokdong Hospital, the medical records of 1,466 patients who satisfied the condition of execution of upper gastrointestinal endoscopy, positive H. pylori eradication results at 6~8 weeks after eradication therapy were reviewed retrospectively. Then the first-line and second-line eradication rates and the eradication rates according to endoscopy findings were also compared. Results: The first-line eradication rate was 77% H. pylori eradication rate for the last 5 years was continuously increasing and no sign of decline was observed even for the whole 10 years. The rates of eradication related to endoscopic findings showed statistical significance (P<0.001) of 79.8% and 70.1% each for peptic ulcer and non-ulcerative gastric diseases, respectively. Conclusion: In this study, no decrease in tendency of first-line eradication rate could be found. In addition, the patients with the non-ulcerative gastric disease seemed to show significantly lower eradication rate. This finding suggests eradication treatment may be affected by the category of gastric diseases, and careful considerations should be taken assessing the effects and needs for the H. pylori eradication treatment.
김민경,이인환,신애숙,김나희,김혜미,심소라,나병조,조승연,박성욱,정우상,문상관,박정미,고창남,조기호,김영석,배형섭,Kim, Min-kyung,Lee, ln-whan,Shin, Ae-sook,Kim, Na-hee,Kim, Hye-mi,Shim, So-ra,Na, Byung-Jo,Cho, Seung-yeon,Park, Seong-uk,Jung, Woo Sang 대한중풍순환신경학회 2010 대한중풍.순환신경학회지 Vol.11 No.1
Object : This study was conducted as part of the national project to standardize stroke diagnosis in Korean medicine. In this study, we aimed to evaluate the characteristics of acute stroke between heat pattern group and cold pattern group. Methods : We recruited stroke patients from 5 universities(Kyung-Hee University oriental medical center, Kyung-Hee University East-West Neo medical center, Kyungwon university lncheon oriental medical center, Kyungwon university Songpa oriental medical center and DongGuk university llsan oriental medical center) from April, 2007 until February, 2010. We diagnosed them and selected 463 heat pattern patients and 182 cold pattern patients. Results : We find that the risk factor of smoking, alcohol, diet(prefer to meat) are more associated with the heat pattern group. On the other hand, inflammation history in recent 3 months and diet(prefer to sea food) are more associated with the cold pattern group. RBC, Hg, Hct, TG, CK and Cl are more related to the heat pattern group. CPT, total cholesterol and HDL are more related to the cold pattern group. Tae-eum type takes high distribution of the heat pattern group, and So-eum type takes high distribution of the cold pattern group. Conclusions : This study provides evidence that the heat pattern group have more risk factor than the cold pattern group.
Shim Hye-Kyung,Hwang Kyu-Hyon,Shim Chang-Ki,Son Su-Wan,Kim Dong-Giun,Choi Yong-Mun,Chung Young-Jae,Kim Dae-Hyun,Jee Hyeong-Jin,Lee Suk-Chan The Korean Society of Plant Pathology 2006 Plant Pathology Journal Vol.22 No.3
The pathogenicity to pear trees and other experimental hosts of the Apple stem grooving virus Korean isolate (ASGV-K) carried by a fungal vector, Talaromyces flavus was examined. ASGV-harboring T. flavus induced mild symptoms on virus-free pears. Symptom severity was intermediate between pears showing typical PBNLS and virus-free pears. Ten cultivars of Phaseolus vulgaris showed 35%-90% infectivity by direct infiltration into leaves and roots by ASGV-harboring T. flavus. Application of fungal cultures to soils showed 0%-70% infectivity depending on the P. vulgaris cultivar. Sap extracted from ASGV-infected Chenopodium quinoa induced similar symptoms on P. vulgaris at 25 days after inoculation. Similar symptoms were also detected on P. vulgaris which were inoculated with ASGV-harboring T.flavus. When healthy P. vulgaris leaves were challenged with sap extracted from P. vulgaris leaves infected with ASGV-harboring T. flavus, typical symptoms were observed. These data suggest that T. flavus mediates the transfer of ASGV to host plants.
Shim, Hye-Kyung,Kim, Seog-Gyun,Kim, Tae-Sung,Kim, Seok-Ki,Lee, Sang-Jin The Korea Society of Nuclear Medicine 2011 핵의학 분자영상 Vol.45 No.2
Purpose This study sought to probe the feasibility of performing total thyroidectomy in the mouse using a nonthyroidal hNIS expressing tumor model. Materials and Methods Our thyroidectomy protocol included thorough excision of both lobes and the isthmus. For evaluating the completeness of thyroidectomy, we compared the $^{99m}Tc$-pertechnetate scans taken before and after thyroidectomy. The prostate cancer cell line was subcutaneously inoculated 2 weeks after the thyroidectomy. When the tumor reached 5-10 mm in diameter, Ad5/35-E4PSESE1a-hNIS was injected intratumorally, and $^{131}I$ scans were performed. The radioiodine uptakes of the neck and the tumor were compared with those of the other regions. Results Total thyroidectomy was performed in 13 mice. Although 38.5% died during or just after thyroidectomy, the others survived in good health for 2 months. Thyroid tissue was completely eliminated using our protocol; the residual uptake of $^{99m}Tc$-pertechnetate was minimal in the neck area. The neck/background uptake ratio after thyroidectomy was significantly lower than that before thyroidectomy (p<0.05). Non-thyroidal tumor models were successfully established in all the surviving mice. Radioiodine accumulation in the tumors was visualized on $^{131}I$ scans, and the neck uptakes were minimal. Conclusion Using our total thyroidectomy protocol, we successfully established a hNIS-transfected prostate cancer model with a minimal accumulation of radioiodine in the neck. The relatively high mortality after surgery can be a problem, and this might be reduced by minimizing the surgical stress.
Endotracheal Metastasis Seen on FDG PET/CT in a Patient with Previous Colorectal Cancer
Shim, Hye-Kyung,Kwon, Hyung-Woo,Kim, Tae-Sung,Kim, Seok-Ki The Korea Society of Nuclear Medicine 2010 핵의학 분자영상 Vol.44 No.4
Endotracheal/endobronchial metastasis, which is from either primary bronchogenic carcinoma or a tumor of non-pulmonary origin, is a rare but lifethreatening condition. Among the different locations in the tracheobronchial tree, the trachea is an extremely rare location for metastasis from extrapulmonary tumor. To the best of our knowledge, endotracheal metastasis that was clearly visualized by F-18 FDG PET/CT has not been previously reported. We herein report on a patient with a FDG-avid endotracheal eccentric mass that was confirmed as metastasis from rectal cancer.