查阅1980～1993年文献报道的49例肾小管性酸中毒(RTA),误诊44例,误诊率达87%。RTA以未出现代酸的RTA 及尿pH 能降至5.5以下的RTA 易误诊。易误诊为糖尿病、尿崩症,周期性 Access to 49 cases of renal tubular acidosis (RTA) reported in the literature from 1980 to 1993, 44 cases were misdiagnosed, the misdiagnosis rate was 87%. RTA is not misdiagnosed as RTA with no acid generation and RTA with a pH drop below 5.5. Easily misdiagnosed as diabetes, diabetes insipidus, periodic