De Novo Focal Segmental Glomerulosclerosis in Renal Allograft-Histological Presentation and Clinical Correlation: Single Centre Experience
Journal Title: Journal of Clinical and Diagnostic Research - Year 2017, Vol 11, Issue 4
Abstract
Introduction: Recurrent or de novo glomerulonephritis are one of the well-known causes for renal allograft dysfunction in early and late period after renal transplantation. Focal Segmental Glomerulosclerosis (FSGS) is a devastating lesion of the renal allograft. De novo FSGS is uncommon compared to recurrent FSGS. Aim: To find out the incidence of de novo fsgs. Materials and Methods: A retrospective evaluation of renal allograft biopsies was performed from 2007 to 2015, by light microscopy and immunohistochemistry including patient-donor demographics. Graft function status in terms of serum creatinine (SCr) and proteinuria were evaluated. Results: Out of 2,599 renal allograft biopsies performed, 1.6% biopsies were reported as de novo FSGS. Majority were live related females donors with mean age of 43.8 years. Mean time of biopsy was 1.1 years post-transplant with proteinuria of 2.95 grams/24 hours and SCr of 2.24 mg/dL. Histopathological variants were collapsing 47.6%, Not Otherwise Specified/ classical 35.7%, cellular 9.5% and perihilar 7.1% biopsies. Associated Antibody Mediated Rejection (AMR) with T-Cell Rejection (TCR) was observed in 35.7% biopsies, acute on chronic CNI toxicity (calcineurin inhibitor) in five biopsies. Majority of the patients were on CNI based maintenance immunosuppression regimen. Total 28.6% patients and 23.8% grafts were lost over a mean follow up of 2.40 years. The mean SCr of remaining patients was 1.98 mg/dL. Conclusion: De novo FSGS can occur after the first year of renal transplant with related Human Leukocyte Antigen (HLA) matched donors leading to poor allograft survival. Close monitoring of urinary proteinuria and evaluation of allograft biopsy help in appropriate therapeutic modification to improve long term outcome of graft function.
Authors and Affiliations
Rashmi D Patel, Aruna V Vanikar, Lovelesh A Nigam, Kamal V Kanodia, Kamlesh S Suthar, Himanshu V Patel
Keywords
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- EP ID EP337185
- DOI 10.7860/JCDR/2017/25502.9728
- Views 98
- Downloads 0
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