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이승룡,정규식,오경승,고지호,허진도,조영덕 고신대학교 의학부 2004 高神大學校 醫學部 論文集 Vol.19 No.1
The purpose of this study is to evaluate findings of altered patterns of thoracic metastasis in patients treated for osteosarcoma with adjuvant chemotheapy. The author reviewed medical records and image findings of 60 osteosarcoma patients from 1991 to 1997. 18 patients had thoracic metastasis confirmed by needle biopsy(n=1) and clinical evidence of tumor progression(n=17). CT was available in 17 patients. In 6 patients, mean 3 times serial CT were obtained during follow-up period. Two radiologists retrospectively reviewed the CT findings of parenchymal lesion, pleural lesion, mediastinal lesion, lymphadenopathy, calcification, and the follow-up change. In 16 cases, single or multiple nodules, suggesting typical appearance of hematogeneous metastasis, were present. Pleural plaque or mass was present in seven cases. In two of these cases, small curvilinear calcification or calcific dot was noted along the pleura, initially. On serial follow up CT scans, these calcifications was gradually increased in size, which resulted in huge calcified pleural mass. One patient showed only diffuse pleural thickening without other involvement, which proved pleural metastasis of osteosarcoma by means of pleural biopsy. Linear calcification or calcified nodule along the bronchial wall was noted in three cases this finding gradually changed to huge calcified mass with associated atelectasis of lung parenchyma. Other sites of metastasis were pericardium, 3 patients, and lymph node, 4 patients. Interlobular septal thickening suggesting lymphangitic metastasis was noted in 2 patients. Calcification within parenchymal nodule and metastatic lymph node was seen in 7 patients. Pneumothorax was noted in 2 patients. Interestingly, parenchymal lesion was slowly increased in size and number, while pleural and endobronchial lesion revealed rapid change and affressive invasion into the parenchyma, mediastinum and chest wall on follow-up CT scans. Thoracic metastasis of osteosarcoma commonly presents hematogenous parenchymal nodules. However, adjuvant chemotherapy has resulted in prolonged survival, and may raised the unusual appearance of thoracic metastasis, which is more aggressive nature. We carefully concluded that any type of calcification should be suspected metastasis in osteosarcoma patient.
이승룡 선문대학교 신학대학 2001 선문대학교 신학대학논문집 Vol.2001 No.-
세계의 중심도시이자 경제의 중심인 뉴욕의 맨하탄, 110층의 세계무역센타가 마치 영화의 한 장면처럼 무너져 내리고 말았다. 무너져 내릴 때 건물만 무너져 내렸으면 얼마나 좋았을까만은, 그 무너지는 건물 안에는 수많은 무고한 시민들도 처절히 절규하며 함께 무너져 내리고 말았다. 왜 이시대에 이런 아픔을 겪어야만 하는가… 이에 새롭게 외치는 Service for Peace가 절망에 빠진 인류를 구할 수 있는 해답이 될 것이며 그렇게 만들어야 할 것이다. 하나님을 부모로 모신 가운데 전 인류는 한 가족일 수 밖에 없음을 일깨워주고, 참사랑의 공동체를 형성해 나가야 되기 때문이다.
농업용 저수지의 효율적 활용방안 연구 - 경기남부권 농업용 저수지를 중심으로
이승룡,박수훈,장준호 더나은도시디자인포럼 2023 도시디자인저널 Vol.- No.5
This study aims to find a recycling method for agricultural reservoirs that have lost or deteriorated as agricultural reservoirs. The method of research is to define functional reservoirs for agriculture through preceding studies, case studies, current status surveys, and surveys, and to derive usage plans for each type. The problems of functional loss agricultural reservoirs were found in economic/industrial, safety, developmental, and socio-cultural aspects in previous studies. As a result of the survey, damage to the urban landscape emerged as the biggest problem. Through previous studies and case studies, it was identified that type of hydrophilicity, leisure type, energy development type, types of historical and cultural resources linkage, ecological learning type, etc. are being used. The need for utilization measures has been raised. In order to suggest usage plans for each type, five types were classified based on the size of the agricultural reservoir, the surrounding population, and the presence or absence of ecological and natural and historical resources of the adjacent area. As a result of classification, it was found that the ecological learning type, type C, took up the largest proportion with 10 sites, and the type D, types of historical and cultural resources linkage, occupies the smallest proportion. The result is meaningful in that it defines and classifies the types of loss-of-function agricultural reservoirs in the southern Gyeonggi region, and suggests usage plans for each type.