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Hyun Joo Kwak  (Kwak HJ) 4 Articles
Original Article
A Study of Tubular Fluid Effects to Dysmorphic Urinary RBCs in Glomerular Hematuria
Byung Min Choi, Hyun Joo Kwak, Kee Hwan Yoo, Joo Won Lee, Soon Kyum Kim
Clin Exp Pediatr. 1996;39(4):512-521.   Published online April 15, 1996
Purpose : Urinary red blood cell morphology has been used to localize the site of hematuria in the urinary tract. But the pathologic mechanism for dysmorphic urinary red blood cells remains undefIned. Our study was undertaken to investigate the mechanism of dysmorphic urinary RBCs in glomerular hematuria. We have attempted to reproduce in vitro the changes that occur in red cell...
Doppler Analysis of Renal Blood Flow in Normal Children
Hyun Joo Kwak, Jae Yong Kim, Kee Hwan Yoo, Young Sook Hong, Joo Won Lee
Clin Exp Pediatr. 1995;38(3):328-338.   Published online March 15, 1995
Purpose : Recent development in ultrasonic Doppler instrumentation have allowed the direct noninvasive assessment of human renal artery blood flow. The authors conducted this study to assess noninvasive characterization of normal renal artery blood flow variables hopping to establish standards in normal children. Methods : A total 97 normal Subjects(below the age 3 years) were examinated using by 2-D and...
Case Report
A Case of Xanthogranulonatous Pyelinephritis with Idiopathic Hypercalciruia in a Child
Young Jun Kim, Hyun Joo Kwak, Keun Haeng Cho, Kee Hwan Yoo, Young Sook Hong, Soon Kyum Kim
Clin Exp Pediatr. 1994;37(12):1778-1783.   Published online December 15, 1994
Xanthogranulomatous pyelonephritis in childhood is a rare chronic pyelonephritis often assodiated with calculi of urinary tract obstruction, with a clinical presentation of renal mass. A 3-year old boy was admitted to Korea University Hospital complaining of intermittent fever and palpable mass at right upper quadrant of the abdomen. The CBC revealed increased ESR and the finding of iron deficientcy anemia....
Original Article
A Cause of Transient Systolic Murmur in Neonates Physiologic Pulmonary Artery Stenosis
Hyun Joo Kwak, Phil Seob Sim, Kwang Chul Lee, Chang Sung Sohn, Joo Won Lee, Young Chang Tockgo
Clin Exp Pediatr. 1992;35(12):1696-1701.   Published online December 15, 1992
A transient heart murmur is frequently heard in normal newborn who has no congenital heart disease. The cause of this murmur remains unclear but was speculated as hypoplasia of the pulmonary arterial branches or unusual alignment of the main pulmonary artery with its branches. Pulsed Doppler and two-dimensional echocardiographic studies were undertaken in 19 newborn infants with a transient murmur and...
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