Summary1The principal angiographic features of major chronic renal diseases are discussed, based on the review of the author's 123 cases and the consideration of the angiographic features of other renal diseases.2An angiographic categorization is attempted, and chronic renal diseases are classified into three categories. Examples of each of these categories are presented with brief comments.3The role of the two major radiodiagnostic means–urography and angiography–in chronic renal disease is discus