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허혈성 뇌혈관질환에서 자기공명혈관조영술의 가치에 대한 임상연구
임동준,조태형,정용구,김백현,김근회,김세훈,권택현,정흥섭,박정율,박윤관,이훈갑,이기찬,서중근,Lim, Dong-Jun,Cho, Tae-Hyoung,Chung, Yong-Gu,Kim, Baek-Hyun,Kim, Keun-Hoe,Kim, Se-Hoon,Kwon, Taek-Hyun,Chung, Heung-Seob,Park, Jung-Yul,Park, Youn-K 대한신경외과학회 2000 Journal of Korean neurosurgical society Vol.29 No.8
Objectives : To determine the contribution of cranial magnetic resonance angiography(MRA) for the evaluation of patients with ischemic cerebrovascular accident. Methods : Magnetic resonance image(MRI) and MRA studies performed on 34 patients with ischemic stroke were retrospectively reviewed with the clinical records. Results : There were 9 transient ischemic attacks and 25 completed strokes in our series. Twenty-three of 34 MRA examinations(68%) were positive for stenosis or occlusion. The distribution of stenotic or occlusive vascular lesions were correlated with the location of infarction in 22 of the 23 positive cases(96%). MRA provided additional information not obtained from the MRI in 19 cases(56%). Conclusions : Vascular lesions demonstrated on intracranial MRA show a high correlation with infarct distribution. MRA provided information adjunctive to conventional MRI in a majority of cases. We conclude that MRA is an important noninvasive component of the complete evaluation of ischemic stroke.
불완전하게 결찰된 뇌동맥류의 혈관내치료 - 증 례 보 고 -
임동준,정용구,조태형,이훈갑,김세훈,김근회,권택현,정흥섭,박정율,박윤관,이기찬,서중근,Lim, Dong-Jun,Lee, Hoon-Kap,Cho, Tae-Hyoung,Chung, Yong-Gu,Kim, Se-Hoon,Kim, Keun-Hoe,Kwon, Taek-Hyun,Chung, Heung-Seob,Park, Jung-Yul,Park, Youn-Kwan,L 대한신경외과학회 2001 Journal of Korean neurosurgical society Vol.30 No.4
Residual aneurysm is a challenging problem after clipping procedure for the aneurysms. The anthors describe one patient in whom endovascular treatment was sucessfully done to treat residual aneurysm after surgical clipping. We discussed the role of endovascular coil occlusion in case of incomplete surgical obliteration of aneurysms.
복합시스템을 위한 시스템엔지니어링 적용방안에 대한 연구
김종열,함범식,조태형,이범석,Kim, Jong Yoel,Ham, Bum Sik,Cho, Tae Hyoung,Lee, Bum Sug 한국시스템엔지니어링학회 2010 시스템엔지니어링학술지 Vol.6 No.1
This paper describes the application method of systems engineering for systems of systems and addressed the evolution in approach as organizations have evolved from standalone platform providers to architect of SoS. There is an increasing need to perform Systems of Systems Engineering(SoSE) in a global environment This has stimulated the development of new, innovative SoSE approaches that surpass current military and industry state-of-the-art systems engineering processes. The simple scaling of the former process was ineffective in dealing with global distributed large-scale integration efforts of network-centric systems of systems. A new SoSE process has been developed which is a significant breakthrough in the development of large complex systems and net-centric systems of systems. The SoSE process provides a complete, detailed and systematic development approach for military and civil SoS. In this point of view, this paper analyzes functionally the architecture framework, process and integrated verification & validation of SoSE. From results of this analysis, perspectives on the application of SoSE suitable for Korea aquisition environment are presented.
임성준 ( Sung Joon Lim ),임동준 ( Dong Jun Lim ),김우재 ( Woo Jae Kim ),조태형 ( Tae Hyoung Cho ),정용구 ( Yong Gu Chung ),김세훈 ( Se Hoon Kim ),서중근 ( Jung Keun Suh ) 대한뇌종양학회 2002 대한뇌종양학회지 Vol.1 No.1
Intracranial angiolipoma is a rare benign tumor containing mature adipose tissue admixed with a few vascular elements. Angiolipoma is mostly found in peripheral tissues and represent mesenchymal hamartomas. The authors report the case of a 58-year-old woman who presented with symptom of oculomotor nerve palsy. Computed tomography scanning revealed a well-enhanced solid mass in the sellar region which extended to left parasellar region. On MR the mass was low signal intensity on T1-weighted image and high on T2-weighted image. There were not any abnormal values in the hormonal studies. We performed operation via a left fontotemporal craniotomy. In the operative field, the tumor was a pinkish well-circumscribe mass with highly vascularity. A partial resection was performed because of profuse bleeding. In pathological examination the tumor was composed of the vascular components with intermingling adipose tissue. We should consider angiolipoma as the possible pathology when CT and MR images showed lipid signal in sellar and parasellar area even if intracranial angiolipoma is very rare which is commonly found in these regions.
전이성 뇌종양에 대한 방사선 치료 후 유발된 교모세포종 -증례보고-
김우재 ( Woo Jae Kim ),정용구 ( Yong Gu Chung ),임성준 ( Sung Joon Lim ),임동준 ( Dong Jun Lim ),조태형 ( Tae Hyoung Cho ),서중근 ( Jung Keun Suh ) 대한뇌종양학회 2002 대한뇌종양학회지 Vol.1 No.1
We report a case of a 35-year-old woman with a radiation induced glioblastoma. At the age of 29, the patient was diagnosed to have a metastatic choriocarcinoma of the parietooccipital lobe. It was near totally removed followed by 3000cGy whole brain irradiation. Six years later, she presented with cerebellar symptoms and MRI showed thick walled, irregularly enhancing cerebellar mass. Histological examination revealed a glioblastoma with radiation necrosis. The accepted criteria for radiation-induced tumors of the central nervous system are discussed.