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Intrasellar Cavernous Hemangioma
전성철,이진석,양지호,이일우 대한신경외과학회 2004 Journal of Korean neurosurgical society Vol.36 No.2
The authors present a very rare case of an intrasellar cavernous hemangioma that mimick a pituitary macroadenoma radiologically. A 63-year-old male patient was admitted with visual field defect and clinical manifestations of pituitary failure. MR image revealed intrasellar gadolinium-enhancing tumor with parasellar extension suggesting pituitary macroadenoma. But pathology was cavernous hemangioma. It was suggested that cavernous hemangioma should be included in the differential diagnosis of pituitary mass.
Surgical Technique and Long-term Follow-up of Cervical Laminoplasty using Titanium Miniplates
전성철,조정기,박해관,이경진,나형균,김문찬 대한신경외과학회 2004 Journal of Korean neurosurgical society Vol.36 No.5
Objective : The authors report a simple and reliable method for cervical open-door laminoplasty secured by titanium miniplate. Methods : Sixteen patients with cervical myelopathy secondary to multilevel cervical spondylosis or ossification of the posterior longitudinal ligament were treated with an expansive open-door laminoplasty using titanium miniplates to stabilize the posterior elements described by O'Brien et al between February 1998 and June 2002, and all had a minimum of 6 months of follow-up(mean 22.5months) review. Plain radiographs were used to measure sagittal canal diameter and monitor construct integrity. The neurological outcome was evaluated before and after operation using the Japanese Orthopedic Association (JOA) scoring system for cervical myelopathy. Results : Only 1 titanium miniplate construct was failed out of 69 levels in 16 patients during follow-up period, but decompression was maintained. After surgery, in 15 patients(93.7%) different levels of clinical improvement were demonstrated, and in four of them(25%) full recovery was observed. The sagittal canal diameter and JOA score increased from 13.3±2.2mm and 9.19 preoperatively to 20±2.4mm and 12.88 postoperatively(p<0.01). Conclusion : The use of titanium miniplate to stabilize the posterior elements after laminoplasty is a simple, durable, and effective technique to maintain the increased sagittal canal diameter of the spinal canal and have another advantage of compatability of magnetic resonance imaging.
전동휠체어 및 의료용스쿠터의 국내․외 안전성 평가기준 비교 분석 연구
전성철,서정희,임희철,이창형,신용일,정덕영 한국장애인재활협회 2012 재활복지 Vol.16 No.3
본 연구의 목적은 전동휠체어 및 의료용스쿠터(이하 휠체어)의 국내․외 평가기준을 조사하고 비교․분석하여 국내 여건에 적합한 기준규격의 마련을 위한 기초자료를 제공하는 데 있다. 국내 기준규격의 개선항목은 문헌조사 및 전문가 자문을 통하여 도출하였다. 국내“전자의료기기 기준규격 50. 전동휠체어 및 의료용스쿠터”기준규격을 국외 규격(ISO 7176 series, JIS T 9203, JIS T 9206, JIS T 9208, EN 12184)과 비교하였다. 휠체어의 성능과 안전성에 직결되는 일반 권장사항, 성능의 권장사항, 전기적 특성, 기타 권장사항의 항목과 기준치에 대하여 재검토를 하였다. 현행 기준규격의 개선점을 도출하고 개선이 필요한 평가항목(최대속도, 브레이크 시스템, 조명등과 반사경 등)에 대하여 개정작업을 진행할 수 있도록 참조자료를 정리하였다. 이에 휠체어 관련 국내․외 기준규격의 비교․분석을 통해 국내 현실에 적합한 기준규격 마련을 위한 기초자료를 작성하였다. The goal of this study is to provide the basic information for improvement of domestic standards on the powered scooter and the electric wheelchair considering using environments in the nation. The international standards and domestic standards have been analyzed and compared, in order to propose improved domestic standards. Based on the research, the items and standards for general and functional recommendations, electric features, and other suggestions have been reexamined so that the improvements on test item and standards have been identified, corrected, and summarized including max. speed, brake system, lights and so on. We have been preparing the reference data for the improvement of standards on the powered scooter and the electric wheelchair through the comparison & analysis on the international and domestic standards.