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편영식,조철현 대한정형외과학회 2002 대한정형외과학회지 Vol.37 No.1
Intraosseous Lipoma of the Proximal Humerus - A Case Report - Young Sik Pyun, M.D. and Chul Hyun Cho, M.D.
편영식,H. T. KIM,A. GAFUROV,H. KIM,D. H. JUNG,Y. C. LEE 한국자동차공학회 2008 International journal of automotive technology Vol.9 No.1
Surface topology, cone angle and the forces acting on the cone of the clutch type limited slip differential (LSD) are major design parameters for the bias ratio and the noise condition. Therefore much research has been dedicated to these developments but the results have been used to submit patents. A new cone type limited slip differential for sport utility vehicles and recreational vehicles, which has a very simple structure and easy compliance with the vehicle performance, has been developed by the axiomatic approach and the ultrasonic nano crystal surface modification (UNSM) technology. The design criteria and optimal value of the design parameters are determined by the axiomatic approach utilizing CAE tools. Test methodologies in a test rig and in a vehicle were also developed. Test results showed good performance of bias ratio and noise level but durability is still under testing. This study is an extension of F2006P266, FISITA 2006.
편영식,김성렬,조영록,Pyun, Young-Sik,Kim, Seong-Ryeol,Joh, Young-Rok 대한근골격종양학회 1998 대한골관절종양학회지 Vol.4 No.2
Neurilemoma usually discovered incidentally, is a benign nerve-sheath tumor which has been described as a painless mass. In most cases, the size of the mass was smaller than 5cm. However, it was reported that there were masses, sometimes associated with local tenderness and pain, whose size was over 6cm. Then, we have found there is a relationship between mass size and neurologic symptoms, as well as with, postoperative complications. It is important to diagnose early and to treat it. Twenty neurilemoma patients, who were treated at Keimyung University Dongsan Medical Center were analyzed using their clinical symptoms, pathologic findings, radiologic findings and complications. There was no sexual difference in tumor incidence. The anatomical locations of tumors were as follows. ; upper extremities in 15 cases(69%), axilla in 1 case(4%) and lower extremities in 6 cases(27%). Symptoms were palpable mass in 22 cases, local tenderness in 8 cases(36%), radiating pain in 6 cases(27%) and paresthesia in 6 cases(27%), Median nerve was involved most frequently(33%). There were 2 patients(10%) with multiple symptoms. Tumor enucleation was done in all cases. The size of tumors in longest axis was smaller than 2cm in 2 cases, between 2 and 4cm in 11 cases and more than 5cm in 9 cases. There was no case of malignant transformation or recurrence. In conclusion, incidence of clinical symptom and postoperative complications are increased with the size of the tumor especially over the 5cm. Preoperative MRI finding was the most accurate method of diagnosis and most helpful in determining surgical resection margin.