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급성 신부전을 동반한 성인 Henoch-Schonlein 자반증 1예
김석민 ( Seok Min Kim ),장경애 ( Kyung Ae Chang ),정선영 ( Sun Young Jung ),박찬서 ( Chan Soh Park ),박종원 ( Jong Won Park ),도준영 ( Jun Young Do ),김용진 ( Yong Jin Kim ),윤경우 ( Kyung Woo Yoon ) 영남대학교 기초/임상의학연구소 2008 Yeungnam University Journal of Medicine Vol.25 No.1
Henoch-Schonlein purpura (HSP) is a leukocytoclastic vasculitis of small vessels with deposition of IgA, commonly resulting in skin, joint, gastrointestinal, and kidney involvement. HSP is an uncommon disorder in adults and accounts for 0.6% to 2% of adult nephropathy. We report a case of HSP with acute renal failure successfully treated with corticosteroid. In this case, the patient presented with vasculitic purpuric rash on lower extremity, arthralgia in the wrist, abdominal pain, hematochezia, oliguria and azotemia. Abdominal CT showed wall thickening of the small and large bowels. Skin biopsy revealed leukocytoclastic vasculitis. Percutaneous renal biopsy showed no crescent formation, but mesangial IgA and C3 deposits were observed by immunofluorescence. The patient was treated with corticosteroid (1mg/kg per day) and hemodialysis. After treatment, renal function improved and purpuric lesion, arthralgia and abdominal pain disappeared. Thus, when adults present with purpuric rash and rapidly progressive glomerulonephritis (RPGN), HSP should be a diagnostic consideration.
기능성 마이크로 광 부품의 성형을 위한 UV 성형 공정 기술 개발
김석민(Seok-min Kim),강신일(Shinill Kang) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.4
An experimental method is presented to maximize the replication quality of UV-molded micro-optical components. It is important to maximize the replication quality, because one can obtain the replicated micro-optical componenst with desired properties by accurate control of the shape. In the present study, a simple technique to avoid micro-air bubbles was first suggested. The effects of the UV-curing dose and the compression pressure on the replication quality of UV-molded structure were examined experimentally. Finally, as a practical application of the process design method, microlens arrays with diameters between 8 ㎛ and 96 ㎛ were fabricated by the present method, and the replication quality and the optical properties of the replicated microlens were measured and analyzed.