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성재용,김창용,조영아,유다애,이양원,최용범 대한건선학회 2023 대한건선학회지 Vol.20 No.1
Generalized pustular psoriasis (GPP) is a rare, life-threatening form of psoriasis characterized by widespread sterile pustules on erythematous skin and is even rarely found in children. Prompt diagnosis and treatment are necessary as GPP flare can be life-threatening. Due to its rarity, there are currently no treatment guidelines for childhood GPP in Korea. In this report, we present two cases of 8-year-old boys with childhood GPP who were successfully treated with cyclosporine. Both patients had extensive erythema with papulopustular lesions on the trunk and extremities. One patient had been treated with systemic corticosteroid in another clinic and showed resolution but eventually showed recurrence and flare. Another patient had intermittently tried low dose oral acitretin and topical steroid treatment in another clinic. We started treatment with cyclosporine for periods of 15 weeks and 10 weeks respectively, until their lesions showed clearance. Our cases suggest that cyclosporine is a safe and effective treatment option for acute GPP in children.
ALE 유한요소법에 의한 충돌 액체 분류 냉각 유동 특성 해석
성재용,최형권,유정열,Sung, Jaeyong,Choi, Hyoung Gwon,Yoo, Jung Yul 대한기계학회 1999 大韓機械學會論文集B Vol.23 No.1
The fluid flow and heat transfer in a thin liquid film are investigated numerically. The flow Is assumed to be two-dimensional laminar and surface tension is considered. The most important characteristics of this flow is the existence of a hydraulic jump through which the flow undergoes very sharp and discontinuous change. Arbitrary Lagrangian-Eulerian(ALE) method is used to describe moving free boundary and a modified SIMPLE algorithm based on streamline upwind Petrov-Galerkin(SUPG) finite element method is used for time marching iterative solution. The numerical results obtained by solving unsteady full Navier-Stokes equations are presented for planar and radial flows subject to constant wall temperature or constant wall heat flux, and compared with available experimental data. It Is discussed systematically how the inlet Reynolds and Froude numbers and surface tension affect the formation of a hydraulic jump. In particular, the effect of temperature dependent fluid properties is also discussed.