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KMID : 1102220200390010060
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Kidney Research and Clinical Practice
2020 Volume.39 No. 1 p.60 ~ p.69
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Patterns in renal diseases diagnosed by kidney biopsy: A single-center experience
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Yim Tae-Hoon
Kim Sang-Un
Park Sang-Mi
Lim Jeong-Hoon
Jung Hee-Yeon
Cho Jang-Hee
Kim Chan-Duck
Kim Yong-Lim
Han Man-Hoon
Kim Yong-Jin
Choi Ji-Young
Park Sun-Hee
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Abstract
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Background: The worldwide incidence of renal disease diagnosed by a kidney biopsy varies with age, race, sex, and region. Owing to a lack of studies and limited research resources for this disease in Korea, we investigated renal disease patterns by analyzing data from kidney biopsies performed over 13 years in a university-based teaching hospital in Korea.
Methods: Among 2,053 kidney biopsies performed from 2001 to 2013 at Kyungpook National University Hospital, 1,924 were retrospectively analyzed for histopathologic, demographic, and clinical data as well as laboratory results.
Results: Among the 1,924 studied kidney biopsies, 1,078 were males (56.0%) and the mean age was 37.7 ± 16.5 years. Asymptomatic urinary abnormalities were the most common clinical manifestation (62.5%). Immunoglobulin A nephropathy (IgAN) was the most common primary glomerular disease (37.4%), followed by minimal change disease (MCD), membranous nephropathy (MN), focal segmental glomerulonephritis and crescentic glomerulonephritis. Secondary glomerular diseases accounted for 10.3% of the total biopsies, with lupus nephritis being the most common (4.6%) followed by Henoch-Schonlein purpura nephritis and diabetic nephropathy. The most common cause of nephrotic syndrome was MCD (42.1%) followed by MN. Among patients seropositive for hepatitis B or C, IgAN (28.3% and 21.4%, respectively) was the most common cause.
Conclusion: IgAN and lupus nephritis were the most common primary and secondary glomerular diseases, respectively. Race, region, and practice patterns may affect renal disease patterns in different cohorts.
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KEYWORD
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Biopsy, Glomerulonephritis, Kidney diseases, Nephrotic syndrome
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