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이명철,성상철,강승백 ( Myung Chul Lee,Sang Cheol Seong,Seung Baik Kang ) 대한슬관절학회 1993 대한슬관절학회지 Vol.5 No.1
Over the past few years the arthroscope has played a major role in the evaluation and treatment of the chondral and osteochondral lesions of ankle joint. But its tech- nique is very difficult and require considerable expertise with instrument. We reviewed 10 ankles in 10 patients who underwent arthroseopic treatment of the osteochondral lesion of ankle at Seoul National University Hospital from 1986 to 1991. The mean age at the time of surgery was 30 years (re,nge,16 to 49 years). There were eight males and two females, All patients had history of trauma and conservative treat- ment under the diagnosis of ankle sprain. The mean follow-up was 2 years and 9 months (range, 1 year and 2 months to 6 years and 7 months). Preoperative diagnosis were osteochondritis dissecans in 7 ankles, loose osteochondral body in one and degenerative arthritis in two through CT or MRI. Arthroscopic diagnosis were osteo- chondritis dissecans with crater and loose body in 6 ankles, loose osteochondral body with no osteochondral defect in one and posttraumatic degenerative arthritis in three. Six ankles with crater and loose body were treated with arthrosopic abrasion and loose body removal. Dne aknle with loose osteochondral body was treated with loose body removal and 3 ankles with degenerative arthritis were treated with resection of body spur and osteochondral ridge. At last follow up, 8 ankles showed excellent and two showed good result. Postoperatively one patient complained transient dorsal numbness and there were no permanent complications. Arthroscope would play a definite role in the diagnosis and treatment of the osteochondral lesions of ankle.
이명철,조현철,김태균,성인호,성상철,Lee, Myung Chul,Jo, Hyun Chul,Kim, Tae Gyun,Seong, In Ho,Seong, Sang Cheol 대한관절경학회 1998 대한관절경학회지 Vol.2 No.2
Spontaneous osteonecrosis of the knee was first described by Ahlbck et al in 1968 as the spontaneous and sudden onset of severe pain, usually on the medial side of the knee joint, in old age(>60 years) with no specific etiologic factors. They differentiate the disease from osteochondritis dissecans, osteoarthritis, fracture, infection, neuropathic joint and secondary osteonecrosis of the knee joint. So far many investigators described this disease but had never observed cases developed in young patient with familial occurrence. The report presented here is a case of spontaneous osteonecrosis of both medial and lateral femoral condyles involving the bilateral knee joint that were treated by arthorscopic loose body removal and multiple drilling.
동종 아킬레스건을 이용한 슬관절 후외측부 해부학적 재건술의 단기 추시 결과
이명철(Myung Chul Lee),이상훈(Sahnghoon Lee),장종범(Chong Bum Chang),유재호(Jae Ho Yoo),한혁수(Hyuk Soo Han),최선종(Sun Jong Choi),성상철(Sang Cheol Seong) 대한정형외과학회 2005 대한정형외과학회지 Vol.40 No.7
목적: 슬관절 후외측 회전 불안정성에 대해 외측측부인대, 슬와비골인대 및 슬와건을 동시에 재건할 수 있는 동종 아킬레스건을 이용한 새로운 술식의 수술 후 단기 추시 결과를 살펴보고자 한다. 대상 및 방법: 2002년 1월부터 2003년 6월까지 슬관절의 후외측 회전 불안정성으로 수술받은 환자 11명을 대상으로 하였다. Lysholm knee score, Tegner 활동도 점수를 이용하여 임상적 결과를 평가하였고 후외측 회전 불안정성에 대한 이학적 검사를 시행하여 결과를 분석하였다. 결과: 평균 추시 기간은 26개월이었고 Lysholm knee score는 수술 전 평균 38.6에서 수술 후 평균 72.5로 유의한 증가를 보였고, Tegner activity level은 수술 전 평균 1.6에서 수술 후 평균 3.3으로 유의한 증가를 보였다. 후외측 전위검사와 30° 굴곡 위 내반 긴장검사는 수술 전 11예 모두에서 양성이었고, 수술후 1예를 제외하고 모두 소설되었다. 30°굴곡 하에 외회전-dial 검사는 수술 전 11예 모두에서 양성이었고 수술 후 모두 소설되었다. 완전 신전 위 내반 긴장검사와 90° 굴곡 위 외회전-dial 검사는 수술 전 8예에서 양성을 보였으며 수술 후 모두 소실되었다. 결론: 저자들이 고안한 새로운 후외측 재건술은 단기 추시상 슬관절의 후외측 회전 안정성의 회복에 만족할 만한 결과를 얻을 수 있었다. Purpose: The purpose of this study was to evaluate the short term clinical results of the new anatomical reconstruction including 3 major posterolateral structures of the knee using a split Achilles allograft. Materials and Methods: Eleven knees with posterolateral rotary instability underwent new anatomical posterolateral reconstruction between January 2002 and June 2003. The clinical results were assessed using the Lysholm score and Tegner activity level scales and physical examinations including postero-lateral drawer test, dial tests at 30 and 90 degrees of knee flexion, varus stress tests at 0 and 30 degrees of knee flexion. Results: Follow-up averaged 26 months (range, 12 to 29 months). The mean preoperative Lysholm score was 38.6 and at the time of latest follow-up, the mean score was improved to 72.5. The mean preoperative Tegner activity level was improved from 1.6 points to 3.3. Ten out of 11 patients showed negative conversion of the posterolateral drawer test and varus stress test at 30 degrees of flexion postoperatively. All patients, who showed positive signs on the external rotation-dial test at 30 degrees of knee flexion pre-operatively, improved postoperatively. In eight patients, preoperative positive signs of varus stress tests at 0 degrees of knee flexion and the external rotation-dial test at 90 degrees of knee flexion disappeared postoperatively. Conclusion: This study suggests that the new anatomical reconstruction of posterolateral corner of knee is a reliable method providing excellent stability and satisfactory short term clinical results.
뇌 PET 과 MR 영상의 자동화된 3차원적 합성기법 개발
이명철(Myung Chul Lee),정준기(June Key Chung),이동수(Dong Soo Lee),곽철은(Cheol Eun Kwark),이재성(Jae Sung Lee),박광석(Kwang Suk Park) 대한핵의학회 1998 핵의학 분자영상 Vol.32 No.5
N/A Purpose: Cross-modality coregistration of positron emission tomography (PET) and magnetic resonance imaging (MR) could enhance the clinical information. In this study we propose a refined technique to improve the robustness of registration, and to implement more realistic visualization of the coregistered images. Materials and Methods: Using the sinogram of PET emission scan, we extracted the robust head boundary and used boundary-enhanced PET to coregister PET with MR. The pixels having 10% of maximum pixel value were considered as the boundary of sinogram. Boundary pixel values were exchanged with maximum value of sinogram. One hundred eighty boundary points were extracted at intervals of about 2 degree using simple threshold method from each slice of MR images. Best affined transformation between the two point sets was performed using least square fitting which should minimize the sum of Euclidean distance between the point sets. We reduced calculation time using pre-defined distance map. Finally we developed an automatic coregistration program using this boundary detection and surface matching technique. We designed a new weighted normalization technique to display the coregistered PET and MR images simultaneously. Results: Using our newly developed method, robust extraction of head boundary was possible and spatial regishation was successfully performed. Mean displacement error was less than 2.0mm. In visualization of coregistered images using weighted normalization method, structures shown in MR image could be realistically represented. Conclusion: Our refined technique could practically enhance the performance of automated three dimensional coregistration.
이명철(Lee, Myung-Cheol) 한국가족법학회 2008 가족법연구 Vol.22 No.3
In 2008, there was a drastic change of the procedure of divorce by consent. The most significant point was the introduction of consideration period. The Korean Congress enacted the revision act, which forces couples without children under 20 years old to have to deliberate about whether they really want to divorce for one month before they receive admission for divorce from judge. The period of couples with children under 20 years old is 3 months. Secondly, the couples filing divorce to court are guided by court about the legal and social consequences of divorce in order to evade some mistakes and be informed the legal process of divorce. And if they want to have counseling by the experts, the court would provide counseling to them. Another crucial change is that couples with children should submit the agreement regarding fosterer and the amount of support money. If they fail to agree, the court directly makes decision concerning those matters. The provision was introduced for the purpose of protecting the children more carefully than it was in the past. This paper explains what changes are made in 2008 divorce act according to the process of divorce. Furthermore it reviews some problems of each steps. In the conclusion, it suggests a few makeup stuffs to the act.