Clinicopathological features of paediatric renal biopsies in Shanghai over a 31 year period |
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Authors: | Zheng Yibing Xu Hong Zhou Lijun Cao Qi Sun Li Shen Qian Guo Wei Fang Xiaoyan Liu Haimei Zhang Jun Rao Jia Chen Jin |
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Institution: | Department of Nephrology and Rheumatism, Children's Hospital of Fudan University, Shanghai, China. |
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Abstract: | Aim: To identify the variations in paediatric renal biopsy pathology and clinicopathological features during the past 31 years. Methods: A retrospective analysis of paediatric renal biopsies performed at a single institution in Shanghai from January 1979 to December 2009 was conducted. Results: The major pathologies included minor glomerular abnormalities (MGA, 26.1%), IgA nephropathy (IgAN, 17%) and mesangial proliferative glomerulonephritis (MsPGN) without IgA deposition (11.3%). The major clinical presentations included nephrotic syndrome (NS, 39.4%), haematuria with proteinuria (24.4%) and persistent microscopic haematuria (15.1%). MGA accounted for 46.9% of the cases in NS. IgAN and HSN accounted for 24% and 28.9% of patients with concomitant haematuria and proteinuria, and thin basement membrane nephropathy accounted for 51.2% of cases with persistent microscopic haematuria. The frequency of IgAN (78.6%) was much higher than that of TBMN (29.0%) in patients with persistent microscopic haematuria with abnormal urinary albumin. Conclusion: Minor glomerular abnormalities and IgAN were the major renal diseases in our study population, and the focus of our paediatric nephrologists. The high proportion of TBMN suggested that there should be limited use of renal biopsy for patients with persistent microscopic haematuria and renal biopsy should be performed in the presence of proteinuria or abnormal levels of urinary albumin. |
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Keywords: | glomerulonephritis haematuria nephrotic syndrome pathology paediatrics |
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