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김미영(Mi Young Kim),우홍균(Hong-Gyun Wu),김학재(Hak Jae Kim),허대석(Dae-Seog Heo),김영환(Young Whan Kim),김동완(Dong-Wan Kim),이세훈(Se-Hoon Lee),김주현(Joo Hyun Kim),김영태(Young Tae Kim),강창현(Chang-Hyun Kang) 대한방사선종양학회 2011 Radiation Oncology Journal Vol.29 No.1
목 적: 본 연구는 근치적 절제술 후 병기 3의 비소세포성 폐암에서 방사선 치료의 결과와 이에 영향을 주는 예후인자를 분석해 보고자 하였다. 대상 및 방법: 2000년부터 2007년까지 88명의 환자가 비소세포성 폐암으로 근치적 절제술 후 병기3기로 진단받았고, 수술 후 방사선 치료를 시행 받았다. 이중 80명의 환자가 병기 3A였으며, 8명의 환자가 병기 3B였다. 83명의 환자는 림프절 병기 N2였으며 이들 중 56명은 단일 부위(single-station)의 종격동 림프절 전이였다. 76명은 2차원, 12명은 3차원 입체조형치료로 수술 후 방사선 치료를 받았다. 총 선량은 30.6에서 63 Gy 였으며 중앙값은 54 Gy 였다. 36명의 환자가 항암치료를 시행받았다. 결 과: 생존기간은 26∼77개월이었다(중앙값, 54개월). 5년 생존율 및 무병생존율은 각각 45%, 38%였다. 전이된 림프절개수가 생존율에 영향을 미치는 인자로 분석되었다(hazard ratio, 1.037; p=0.040). 5년 국소제어율 및 원격 전이제어율은 각각 88%, 48%였다. 종격동 림프절 부위의 전이가 단일 부위(single-station)인 경우가 무병생존율 (p=0.0014)과 원격전이제어율(p=0.0044)을 의미 있게 증가시켰다. 총 51명의 재발이 발생하였으며 국소구역 재발은 10명, 원격전이는 41명이었다. 10명의 국소구역 재발 중에 6명은 방사선 치료 범위 내에서 재발하였다. Radiation Therapy Oncology Group (RTOG) 2도의 방사선 폐렴은 3명의 환자에서 보였으며 증상은 진해성 약제만으로도 조절이 잘 되었다. CTCAE 2도의 방사선 식도염은 11명의 환자에서 관찰되었다. 수술 후 방사선 치료로 인한 3도 이상의 심각한 부작용은 관찰되지 않았다. 결 론: 본 연구에서 국소 진행 비소세포성 폐암에서 근치적 수술 후 방사선 치료는 안전하고 임상적으로 적용 가능한 치료법이며, 국소제어를 증가시킬 수 있는 것으로 분석되었다. 예후인자로는 전이된 림프절 개수와 종격동 림프절 부위가 생존율에 영향을 미치는 것으로 분석되었다. 또한 국소 진행 비소세포성 폐암의 대부분의 재발 형태인 원격 전이를 감소시키기 위한 추가적인 노력이 필요할 것으로 생각된다. Purpose: To evaluate the outcomes and prognostic factors of postoperative radiotherapy (PORT) for patients with pathological stage III non-small-cell lung cancer (NSCLC) at a single institution. Materials and Methods: From 2000 to 2007, 88 patients diagnosed as having pathologic stage III NSCLC after curative resection were treated with PORT. There were 80 patients with pathologic stage IIIA and eight patients with pathologic stage IIIB in the AJCC 6th staging system. The majority of patients (n=83) had pathologic N2 disease, and 56 patients had single station mediastinal LN metastasis. PORT was administered using conventional technique (n=76) or three-dimensional conformal technique (n=12). The median radiation dose was 54 Gy (range, 30.6 to 63 Gy). Thirty-six patients received chemotherapy. Radiation pneumonitis was graded by the Radiation Therapy Oncology Group system, and other treatment-related toxicities were assessed by CTCAE v 3.0. Results: Median survival was 54 months (range, 26 to 77 months). The 5-year overall survival (OS) and disease free survival (DFS) rates were 45% and 38%, respectively. The number of metastatic lymph nodes was associated with overall survival (hazard ratio, 1.037; p-value=0.040). The 5-year locoregional recurrence free survival (LRFS) and distant metastasis free survival (DMFS) rates were 88% and 48%, respectively. Multiple stations of mediastinal lymph node metastasis was associated with decreased DFS and DMFS rates (p-value=0.0014 and 0.0044, respectively). Fifty-one relapses occurred at the following sites: 10 loco-regional, 41 distant metastasis. Grade 2 radiation pneumonitis was seen in three patients, and symptoms were well tolerated with anti-tussive medication. Grade 2 radiation esophagitis was seen in 11 patients. There were no grade 3 or more severe complications associated with PORT. Conclusion: Our retrospective data show that PORT for pathological stage III NSCLC is a safe and feasible treatment and could improve loco-regional control. The number of metastatic lymph nodes and stations of mediastinal lymph node metastasis were analyzed as prognostic factors. Furthermore, efforts are needed to reduce distant metastasis, which is a major failure pattern of advanced stage NSCLC.
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아연을 코팅한 테프론 기판 위에 성장된 산화아연 박막의 후열처리 효과
김익현 ( Ik Hyun Kim ),남기웅 ( Gi Woong Nam ),이철언 ( Cheol Eon Lee ),김동완 ( Dong Whan Kim ),최현광 ( Hyon Kwang Choi ),김양수 ( Yang Soo Kim ),김진수 ( Jin Soo Kim ),김종수 ( Jong Su Kim ),손정식 ( Jeong-sik Son ),임재영 ( Ja 대한금속재료학회(구 대한금속학회) 2015 대한금속·재료학회지 Vol.53 No.6
ZnO thin films were first grown on Zn-coated Teflon substrates using a spin-coating method, with various post-heating temperatures. The structural and optical properties of the ZnO thin films were then investigated using field-effect scanning-electron microscopy, X-ray diffractometry, and photoluminescence (PL) spectroscopy. The surface morphology of these ZnO thin films exhibited dendritic structures. With increasing post-heating temperature, all samples preferentially exhibited preferential c-axis orientation and increased residual tensile stress. All of the films exhibited preferential c-axis orientation, and the residual tensile stress of those increased with increasing post-heating temperature. The near-band-edge emission (NBE) peaks were red-shifted after post-heating treatment at 400 ℃. The intensity of the deep-level emission (DLE) peaks gradually decreased with increasing post- heating temperature. Moreover, the narrowest ‘full width at half maximum’ (FWHM) and the highest intensity ratio of the NBE to the DLE for thin films, were observed after post-heating at 400 ℃. The ZnO thin films fabricated with the 400 ℃ post-heating process provided the highest crystallinity and optical properties.(Received March 04, 2014)
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권성일,김규종,이지영,김동완,노치환,박무인,박선자,구자영,백승언 고신대학교 의학부 2000 高神大學校 醫學部 論文集 Vol.15 No.1
Mucocele of the appendix is an uncommon disorder which is rarely diagnosed prior to a laparotomy. With progress in diagnostic procedures, such as the use of colonoscopy, ultrasonography, and computed tomography, preoperative diagnosis of the appendiceal mucocele has become possible. There have been several reported cases of appendiceal mucocele in which various symptoms and signs were present. In this case, a 50-year old female patient visited our hospital because of constipation and rectal bleeding, and then she had an incidental finding of mucocele of the appendix during colonoscopic evaluation for constipation and rectal bleeding. We have experienced the case of preoperatively diagnosed appendiceal mucocele by a colonoscopy and abdominal CT and barium enema in which she was operated and the surgical specimen revealed appendiceal mucocele.
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