肾小球肾炎、肾盂肾炎和糖尿病肾病是临床最常见的慢性肾脏疾患,三者均可有肾小球及肾小管的功能障碍,其程度取决于各自的病程和性质,因而有可能通过肾小管功能检查作为三者间的鉴别。作者测定41例慢性肾盂肾炎、14例慢性肾小球肾炎、16例糖尿病性肾病患者及12例正常人的肾浓缩与 Glomerulonephritis, pyelonephritis and diabetic nephropathy are the most common chronic kidney diseases in clinical practice. All three may have dysfunction of glomeruli and tubules, the degree of which depends on their course and nature and thus may be affected by the renal tubules Functional tests as the identification of the three. The authors measured 41 cases of chronic pyelonephritis, 14 cases of chronic glomerulonephritis, 16 cases of diabetic nephropathy and 12 cases of normal renal concentration and