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Renal Histological Findings in Adults in Jamaica

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Pages: 
265–9

ABSTRACT

Background: In 2006, it was reported that Focal and Segmental Glomerulosclerosis (FSGS), Minimal Change Disease (MCD) and Membranous Glomerulonephritis (MGN) were the commonest primary glomerular diseases identified from percutaneous kidney biopsies done in Jamaica for that year (n = 76). The sample size was thought to be small and might have affected the reported findings. So a threeyear review of percutaneous kidney biopsies in Jamaica was carried out.

Methods: Histology reports and clinical data were reviewed for percutaneous kidney biopsies performed from January 2005 to December 2007. Demographic data (age, gender), laboratory investigations such as serum urea, serum creatinine, proteinuria, haematuria, 24-hour urinary protein, and creatinine clearance, and clinical diagnosis were collected from the histology requisition form.

Results: There was a total of 224 native kidney biopsies performed. There were 91 males (40.6%) and 133 females (59.4%). Age distribution showed a total number of 25 paediatric cases (11.2%) and 199 adult cases (88.8%). Proteinuria was present in 171 cases (76.3%) and haematuria in 86 cases (38.4%). Of the total biopsies done, 78 cases (39.2%) had primary glomerular diseases, 110 cases (55.3%) had secondary glomerular diseases and 11 (5.5%) biopsies were reported as either normal or inadequate for histological diagnosis. The most common reasons indicated for percutaneous kidney biopsy were proteinuria, haematuria and staging of lupus nephritis. Most common histological findings for primary glomerular disease after percutaneous kidney biopsy were FSGS (n = 34), MGN (n = 15) and MCD (n = 12). In secondary glomerular diseases (n = 110), there were more females (70.8%) than males. Systemic lupus erythematosus was present in 63.3%. Histology of lupus nephritis according to the International Society of Nephrologists classification shows Membranous Lupus Nephritis [MLN] (40.2%), Diffuse Lupus Nephritis [DLN] (19.5%) and Minimal Mesangial Lupus Nephritis [MMLN] (14.3%) as the common histological types.

Conclusions: The most common histological finding for primary glomerular disease following percutaneous kidney biopsy was FSGS, MCD and MGN. Membranous Lupus Nephritis was the commonest histological type for lupus nephritis in this series.

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e-Published: 18 Sep, 2013
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