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미세변화형 신증후군(MCNS)으로부터 국소성 분절성 사구체 경화증(FSGS)으로 이행된 환아의 임상양상

Other Titles
 Clinical Analysis of Children with Transitory Minimal Change Nephrotic Syndrome (MCNS) to Focal Segmental Glomerulosclerosis (FSCS) 
 이지은  ;  육진원  ;  이의성  ;  김지홍  ;  김병길  ;  정현주 
 Journal of the Korean Society of Pediatric Nephrology (대한소아신장학회지), Vol.4(1) : 17-24, 2000 
Journal Title
 Journal of the Korean Society of Pediatric Nephrology (대한소아신장학회지) 
Issue Date
Purpose: MCNS is found in approximately 85% of the idiopathic nephrotic syndrome in children and shows good prognosis with initial steroid therapy. However in FSGS, there is poor prognosis with initial therapy and shows higher rate of progression to chronic renal failure and relapse after kindney transplantation. We have experienced 8 patients who were diagnosed as MCNS on initial renal biopsy and then progressed to FSGS on follow-up biopsy. So we have investigated their clinical course and risk factors for transition of MCNS to FSGS. Methods: We conducted a retrospective study with a review of histopathologic findings and clinical manifestations of 296 cases of MCNS and FSGS that were diagnosed from January 1988 to May 1999. We classified them into 3 groups according to the histopathologic finding; MCNS, FSGS, MCNS progressed to FSGS in follow-up biopsy. Results: The number of children was 296 cases comprising 241 cases(81.4%) showing MCNS, 8 cases(2.7%) transition group, 47 cases(15.9%) FSGS. The mean onset age was 6.0{pm}2.6years in MCNS, transition group 8.3{pm}2.3years, FSGS 7.2{pm4.3years, and the gender (M:F) ratio was 3.7:1 in MCNS, 3:1 in transition group, 1.8:1 in FSGS. Comparing the presence of initial hematuria, hypertension,24 hour urine protein, serum albumin, serum creatinine, there were significant difference between the transition group and the FSGS group in the following points; 24hour urine protein 684:342mg/m^2/hr(P<0.05), serum albumin 1.92: 2.47g/dL(P<0.05), serum cholesterol 494:343mg/dL(P<0.05). Refractoriness to steroid therapy was 13.3% in MCNS. 12.5% in transition group, 29.6% in FSGS; significantly higher in FSGS(P<0.05). Immunosuppressant therapy was performed in 58.5% of MCNS, 100% in transition group, 80.8% in FSGS; transition group showed significantly higher .ate(P<0.05) comparing with MCNS. Mean number of relapse and duration from onset to first relapse showed no significance difference between these groups. Conclusion: 249 patients with MCNS have been followed and 3.2% (8 patients) of them has shown change in pathologic diagnosis from MCNS to FSCS. The risk factor for transition could not be found. Our results point to the need for a follow-up biopsy to certify the possibility of transition to FSCS in some MCNS cases with refractory cases to steroid therepy, frequent relapsing cases, or in case of no remission in spite of vigorous immunosuppressant therapy.
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1. College of Medicine (의과대학) > Dept. of Pathology (병리학교실) > 1. Journal Papers
Yonsei Authors
Jeong, Hyeon Joo(정현주) ORCID logo https://orcid.org/0000-0002-9695-1227
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