肾小管酸中毒(简称RTA)是一组临床综合征。系由于肾小管调节酸碱平衡功能障碍所引起的高氯性酸中毒。本病并不罕见,但临床表现复杂易误诊,故早期诊断和及时治疗十分重要。现将我院1973～1985年底收治的20例分析讨论如下。一般资料一、性别及年龄女17例,男3例。年龄19～63岁。二、病因及临床表现继发于肾盂肾炎4例,SLE 2例,结缔组织病2例,干燥综合征、海绵肾及肝炎、人工流产、骨髓 Tubular acidosis (RTA) is a group of clinical syndromes. Department of renal tubular acid-base balance due to dysfunction caused by high chloride acidosis. The disease is not uncommon, but the clinical manifestations of complex misdiagnosis, so early diagnosis and timely treatment is very important. Now our hospital from 1973 to the end of 1985 admitted to the analysis of 20 cases are discussed below. General information First, the gender and age Female 17 cases, 3 males. Age 19 ~ 63 years old. Second, the etiology and clinical manifestations secondary to pyelonephritis in 4 cases, 2 cases of SLE, connective tissue disease in 2 cases, Sjogren’s syndrome, sponge kidney and hepatitis, induced abortion, bone marrow