肾小管性酸中毒(简称RTA)临床表现复杂,常被误诊、漏诊.我院遇到4例,报道如下.(一)骨关节疼痛型误诊为“甲状旁腺机能亢进”女性,20岁.进行性两下肢酸病、无力5年于1985年4月入院.某院曾按“风湿性关节炎”用阿斯匹林治疗.1年前突感下肢无力跌倒一次,致使左股骨骨折.入院前1月,四肢无力加重,下肢不能行走,摄片报告骨盆、股骨、头颅骨等骨骨质普遍稀疏.拟诊“甲状旁腺机能亢 Renal tubular acidosis (referred to as RTA) clinical manifestations of complex, often misdiagnosed, missed diagnosis .Our hospital encountered 4 cases, reported as follows. (A) bone and joint pain misdiagnosed as ”hyperparathyroidism “ women, 20 Year-old .Practical two lower extremity acid disease, weakness 5 years admitted to hospital in April 1985. A hospital was press ”rheumatoid arthritis“ with aspirin treatment .1 years ago sudden feeling lower limb weakness fall once, resulting in left Femur fracture .In January before admission, extremities weakness, lower extremities can not walk, radiography report pelvis, femur, skull and bone are generally sparse.To diagnose ”hyperparathyroidism