Clinical Significance of Hilar Hyalinosis in Glomeruli of Children with Idiopathic Nephrotic Syndrome
<p><strong>Introduction:</strong> Hilar hyalinosis (HH) of glomeruli has been thought for a long time to be a precursor or a variant of focal glomerulosclerosis (FGS). In view of its implications on treatment and prognosis of nephrotic syndrome, a retrospective study of hilar hyali...
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Format: | Book |
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Archives of Renal Diseases and Management - Peertechz Publications,
2015-08-03.
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Summary: | <p><strong>Introduction:</strong> Hilar hyalinosis (HH) of glomeruli has been thought for a long time to be a precursor or a variant of focal glomerulosclerosis (FGS). In view of its implications on treatment and prognosis of nephrotic syndrome, a retrospective study of hilar hyalinosis in children with the idiopathic nephrotic syndrome (INS), but without any other histologic evidence of FGS, was performed to determine the clinic-pathologic significance of this lesion.</p><p><strong>Methods: </strong>A total of 92 Children with INS who had kidney biopsies for frequent relapses, steroid dependency or resistance were included. Eight of them had a biopsy-proven diagnosis of either minimal change disease or mild IgM nephropathy with HH in 6-25% of glomeruli were compared to control group consisting of 84 children with either minimal change disease (n=57) or IgM nephropathy (n=27) but without HH.</p><p><strong>Results:</strong> Clinically HH patients presented with NS and followed a steroid-dependent relapsing course prior to biopsy. Around 75% of the HH patients received at least one course of cytotoxic therapy after biopsy. At last visit, 6 patients were in remission, 2 were protein-free but on medication. None had hypertension or renal insufficiency. Apart from having a shorter interval between presentation and biopsy (P<0.001) and a lower remission rate (P<0.05), control patients followed a similar course.Pathologically HH patients showed less mesangial change (P<0.001) than the controls but similar mean glomerular size and tubuloinerstitial damage.</p> |
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DOI: | 10.17352/2455-5495.000003 |