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척수압박으로 발현된 급성 골수성 백혈병에 동반된 과립구성 육종 1 례
윤상준,김영곤,김희종,박유환,정춘해,김양수,김태균,박영진,전호종 조선대학교 부설 의학연구소 2000 The Medical Journal of Chosun University Vol.25 No.1
저자들은 척수압박으로 하지마비를 보인 환자에서 수술 후에 급성 백혈병에 동반된 과립구성 육종으로 진단된 환자 1례를 경험하였기에 문헌고찰과 함께 보고하는 바이다. Granulocytic sarcoma(GS) is an uncommon tumor composed of immature cells of the granulocytic series. Most case of GS occur in the course of acute leukemia and the blast crisis of chronic leukemia, Rarely, however, it may present before leukemia becomes clinically apparent. It may also occur in patients with myeloproliferative disoders. GS has been reported that it occurs in 3% to 9% of patients with acute myelogenous leukemia(AML) and the incidence of GS is reported to be higher in patients with t(8;21). GS occurs relatively commonly in africa and has been reported to affect 10-25% of black children presenting with AML. This is very rare case of granulocytic sarcoma with AML(FAB M5) presented with spinal cord compression which was supported by decompression laminectomy.
윤승환,조준,문창택,장상근 건국대학교 의과학연구소 2000 건국의과학학술지 Vol.10 No.-
To determine which factors influence the successful results in the patients who underwent lumbar arthrodesis with TFC(threaded fusion cage) at L34 to L5S1 intervertebral space. 20 subjects were analysed in retrospective method. Between January 1997 and April 1998, interbody fusion with TFC was undergone on 20 patients, and among them, 19 patients(95% ) were confirmed to have bone fusion at 12 months after operation. All patients were classified into group A(satisfactory results) and group B(unsatisfactory results) according to comprehensive low back questionnaires from their answer. They were checked with reference to intervertebral disc height and scoliotic, and lordotic angle with Cobb's method in the anterioposterior and lateral lumbar spine films before/after operation, and TFC diameter and length were categorized. In group A, 11 cases(55%) of "excellent" results and 5 cases(25%) of "good" results were included. In group B, 2 cases(10%) of "fair" results and 2 cases (10%) of "poor" results were included. In the lateral projection of group A and B. the mean preoperative disc height were 9.88±2.69mm and 10.45±2.39mm. Twelve months after operation, the mean disc height of group A was significantly increased to 14.11±2.14mm, but that in group B was not significantly increased only to 11.50±2.52mm. Preoperatively, the measured scoliotic and lordotic angles between L1 and S1 by Cobb's method were similar in both groups, being 4.18±3.58 and 26.75±6.64 degree in the group A, 3.50±2.65 and 33.25± 13.10 degreee in the group B. Twelve months after operation, the angles for group A were significantly improved to 0 and 48.13±11.83 degree, but in group B, not changed into 4.50±4.79 and 33.75±10.31 degree. The mean diameter and length of TFC in group A were, in each, 15.62± 1.09mm and 24.44±2.39mm but, 12.50±1.00mm and 21.00±0.00mm in those of group B. For successful results after TFC interbody fusion in the lower lumbar spine, recovery of narrow disc space, scoliosis, lordosis accompanied by solid arthrodesis were necessary. The authors propose that relatively larger-sized TFC should be profitable for those cases.
만성 C형 간염 환자에서 페그인터페론 알파2a와 리바비린 병합 치료중 발생한 벨마비 1예
김일환,장제혁,유충헌,최규남,고정해,김윤정,서광원,김지현,박성재,박은택,이연재,이상혁,설상영 인제대학교 2008 仁濟醫學 Vol.29 No.-
페그인터페론과 리바비린 병합요법은 만성 C형 간염의 일차 치료법이다. 저자들은 만성 C형 간염 환자에서 페그인터페론 과 리바비린 병합 요법 중에 발생한 벨마비 1예를 경험하였기에 문헌고찰과 함께 보고하는 바이다. 환자는 5년 전부터 만성 C형 간염을 앓아온 48세 남자이며, PEG-IFN α-2a 135μgm 피하주사 주1회와 하루 1200㎎의 리바비린을 투여하였다. 치료시작 후 9개월째 환자는 오른쪽 안면의 근력약화를 호소하였으며 벨마비로 진단되었다. 페그인터페론과 리바비린 병합요법을 지속하면서 관찰하였다. 환자의 벨마비는 페그인터페론 치료를 중단하지 않았음에도 3개월후 증상이 회복되고 이후 벨마비 재발 없이 현재 경과관찰 중이다. 만성 C형 간염에서 페그인터페론과 리바비린 병합 요법시 벨마비의 발생 가능성을 염두에 두어야 하겠다. A Case of Bell's Palsy Associated with Combination Therapy of Pegylated Interferon Alfa-2a (PEG-IFN) and Ribavirin for Chronic Hepatitis C Virus Infection Pegylated interferon alfa(PEG-IFN α) and ribavirin therapy is the first line treatment for chronic hepatitis C. Mild complications of the therapy are common, but more serious complications are rare. We report here a case of Bell's palsy that occurred in a patient with chronic hepatitis C virus infection during combination therapy of PEG-IFN α-2a and ribavirin. The patient was 49-year-old man with chronic hepatitis C (genotype 1b) for 8 years. He had compensated liver cirrhosis with splenomegaly. Therapy with PEG-IFN α- 2a 135mcg/week and ribavirin 1200mg/day was initiated. After 9 months of the therapy, the patient showed a loss of muscular tone on the right side of his face. A diagnosis of Bell's palsy was made. The Bell's palsy resolved over 3 months despite continuation of the combination therapy.
Ti첨가 및 균질화 처리가 원심주조한 Cu-Zn-Al계 고력황동의 기계적 성질에 미치는 영향
권영한,허성강,김창규,윤재홍 國立 昌原大學校 産業技術硏究所 1997 産技硏論文集 Vol.11 No.-
Effects of Ti addition and homogenizing treatment on the mechanical properties in Cu-Zn-Al system high strength brass were investigated. Grain refinement was successfully achieved by Ti addition: The microstructure, which was composed of island or fine feather-like branched Ti compounds was changed to feather-like eutectic microstructure as the content of Ti increased. The highest hardness values was obtained for 0.5wt% Ti specimen and the second was Ti non-added specimen in as-cast conditions. Maximum tensile strength was obtained for 0.5wt% Ti specimen. Dueing to the presence of cast defects and worse castability, tensile strength decreased as the content of Ti increased. Elongation was increased with increasing homogenizing time and temperature: remarkable increase was obtained for 400℃ homogenizing temperature in the 0.5wt% Ti specimen. For 500℃ and 600℃ homogenizing temperature, high elongation was obtained in 2 and 4wt% Ti specimen.
김윤정,김해림,박시내,윤종현,이상헌,박성환,김호연 대한내과학회 2004 대한내과학회지 Vol.66 No.4
순수어농이란 발성언어에 대한 이해와 반복에 장애를 보이지만 읽기, 쓰기, 비발성언어에 대한 이해는 보존되는 경우를 일컫는다. 저자들은 45세 루푸스 환자에서 루푸스 혈관염으로 인해 일차 청각 피질을 포함한 왼쪽 관자이랑에 뇌경색이 발생하여 초래한 순수어농 1예를 경험하였기에 보고하는 바이다. Pure word deafness is characterized by an impairment of auditory comprehension and repetition of speech while a preservation of reading, writing, spontaneous speech and ability to comprehend non-verbal sounds. It is caused by trauma, infection in the temporal lobe of brain. In most cases, the lesions are bilateral, in the middle third of superior temporal gyri, but in a few cases unilateral lesions of dominant temporal lobe are localized. We experienced a case of 45 year-old right handed wonman with systemic lupus erythemato년 (SLE) who presented pure word deafness after left temporal lobe infarction including primary auditory center. Her comprehension was impaired, while reading and visual comprehension were normal. Audiometric tests and auditory evoked potentials disclosed no hearing defect. Brain MRI showed a left temporal lobe infarction without abnormal vascular finding in MRA. She wasdiagnosed as pure word deafness due to SLE vasculitis and managed with high dose steroid and cyclophosphamide therapies.
서병성,김준연,김정만,김용규,정갑열,김성환,김인식,김병권 동아대학교 부설 산업의학연구소 1997 산업의학연구소 논총 Vol.- No.3
This experiment was carried out to compare the efficacy of 2,3-dimercaptosuccinic acid(DMSA) and calcium ethylenediamine tetraacetate(CaEDTA) as chelating agents for lead poisoning. The rats had been fed water containing 0.5% lead acetate for 3 months and randomly divided into three groups. We administered DMSA only for group I(n=5), CaEDTA only for group II(n=5), and both DMSA and CaEDTA for group III(n=10), for 4 days. We evaluated urinary lead(PbU) level, blood lead(PbB) level and blood zinc protoporphyrin(ZPP) level before and after administration of the chelating agents. The results obtained were as follows; 1. After administration of chelating agents, the mean PbU levels, which were 248.2㎍/dl, 252.6㎍/dl and 270.0㎍/dl in group I, II and III before administration, were increased to 484.6㎍/dl, 479.9㎍/dl and 1,792.1㎍/dl in group I, II and III, respectively(p<0.05). 2. After administration of chelating agents, the mean PbB levels, which were 67.4㎍/dl, 59.9㎍/dl and 62.5㎍/dl in group I, II and III before administration, were decreased to 38.1㎍/dl, 36.3㎍/dl and 31.3㎍/dl in group I, II and III, respectively(p<0.05), but there were no different changes of ZPP level among groups. 3. The blood lead clearances, which were calculated by PbB level before and after administration of chelating agents, were 49.8%, 43.5% and 39.5% in group III, I and II, respectively.
ICR계 마우스에서 홍화씨 에탄올 추출물의 급성독성시험
황윤환,박병권,임종환,김명석,송인배,명노일,정상일,윤효인 忠南大學校 獸醫科大學 附設 動物醫科學硏究所 2008 動物醫科學硏究誌 Vol.15 No.1
The present study was carried out to investigate the potential acute toxicity of safflower seed by a single oral dose in ICR mice. Twenty animals of each sex were randomly assigned to four groups of 5 rats each and were administered singly by gavage at dose levels of 0, and 2,500 mg/kg bodyweight. Mortalities, clinical findings, and body weight changes were found and complete gross postmortem examinations were performed. Throughout the study period, no treatment-related deaths were observed. There were no adverse effects in clinical signs, body weight, and gross findings at any dose tested. The results showed that the single oral administration of safflower seed did not cause any toxic effect at the dose levels of 2,500 mg/kg in rats and the minimal lethal dose was considered to be over 2,500 mg/kg body weight for both sexes.
동종 골수이식을 시행받은 환자에서 폐색성 세기관지염에 의하여 발생한 자발성 기종격동과 피하 기종
이병환,이제중,이연경,안재숙,김여경,황호인,박무림,조상희,정익주,김형준 대한조혈모세포이식학회 2002 대한조혈모세포이식학회지 Vol.7 No.2
저자들은 만성골수성백혈병으로 동종 골수이식과 이식편 부전으로 인하여 추가적인 말초혈액 조혈모세포이식을 시행 받은 환자에서 만성 이식편대숙주질환과 그 폐 합병증인 폐색성 세기관지염에 동반된 자발성 기종격동과 피하 기종이 병발한 1예를 경험하였기에 이를 보고하는 바이다. Obstructive lung disorders following after allogeneic bone marrow transplantation (BMT) in association with graft- versus-host disease (GVHD) contribute significant morbidity and mortality. We report a case of a 28-year-old man who developed spontaneous pneumomediatinum and subcutaneous emphysema complicating bronchiolitis obliterans after allogeneic BMT. He received an allogeneic BMT for chronic phase of chronic myeloid leukemia. Five months after BMT, he was boostered by allogeneic peripheral blood stem cells from the same donor due to graft failure. One month after the boostering, chronic GVHD developed and were treated with cyclosporine and steroid. The patients developed spontaneous pneumomediatinum and subcutaneous emphysema secondary to severe bronchiolitis obliterans 4 months after boostering donor cells. The air-leak syndromes were recovered by conservative management, including high-flow oxygen.