Searching for the aetiology of chronic renal impairment in patients attending nephrology out-patient clinic of Assiut University Hospital

Seventy-two patients with various medical causes of chronic renal impairment were included in this study. They were subjected to thorough clinical examination and laboratory, imaging and histopathological evaluation. Primary glomerulonephritis was found in one third of the patients, while secondary renal diseases were found in the other two thirds. Schistosomiasis, HCV infection, diabetes mellitus, polycystic kidney disease, hypertension and lupus nephritis were found to be the main causes for secondary renal diseases