Hong Kong Journal of Nephrology
Volume 10, Issue 2 , Pages 50-57, October 2008

“Journey to the West”: Fact and Fiction. On the Chronicity-based Grading of IgA Nephropathy Model and Thick GCBM as Marker for a Syndrome

The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR

Article Outline

The pathological diagnosis of IgA nephropathy is straightforward and based on the distinctive mesangial deposition of dominant IgA-containing immune complexes, even though the pathogenesis is poorly understood and appears to be heterogeneous. The importance of clinical and morphological prognostic factors cannot be overemphasized. The chronicity-based histological grading of IgA nephropathy is stressed for its predictive impact and close correlation with the protracted course and disease progression. Extrapolation of the chronicity-base grading of IgA nephropathy to all other chronic nephritis is inferred, linking a fictional approach to the facts. The second topic describes the ongoing characterization of the isolated thick glomerular capillary basement membrane (TGCBM), which has accumulated sufficient attributes to link such a renal lesion to the metabolic syndrome. While the full significance of TGCBM remains to be investigated, as a marker of the metabolic syndrome, its recognition and diagnosis may have a preventive impact on the complications arising from the worldwide epidemic of diabetes and obesity.

Key words:  IgA nephropathy , thick glomerular capillary basement membrane

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PII: S1561-5413(08)60021-6

doi:10.1016/S1561-5413(08)60021-6

Hong Kong Journal of Nephrology
Volume 10, Issue 2 , Pages 50-57, October 2008