الفهرس 
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Abstract
Glomerulonephritis remains as a major cause of morbidity and mortality from renal disease in many parts of the world, particularly in the tropical and subtropical regions. According to several local registries and sporadic publications, it seems to be responsible for 23.2 to 58.4% of patients on regular dialysis in the tropics, compared to recent figures of around 6-8% in the United States and 7.5-19.6% in Europe. Its prevalence among dialysis patients in Egypt has been reported as 7.8% in 2008.
The incidence of biopsy proven GN varies in different geographical areas, as it is affected by socioeconomic condition, race, indication for renal biopsy and differences in genetic susceptibility and environmental exposure. Recent studies reported a changing pattern of incidence of GN in different parts of the world.
Our study aimed to obtain a comprehensive review of the incidence of biopsy proven glomerulonephritis in Ain Shams University Specialized hospital over a period of 6 years. We analyzed the clinical and pathological data of all percutaneous renal biopsies for medical renal disease submitted to the pathology and electron microscopy unit of Ain Shams University Specialized hospital from January 2005-December 2010 with a total of 1320 renal biopsies.