Results The main clinical characteristics of tabes dorsalis were: ( 1) Absence of classic clinical features of tabes dorsalis except for impaired vibratory and position sense in feet and legs, absent tendon reflexes at knee and ankle, gait ataxia and Romberg sign; 结果目前脊髓痨的主要临床特征为:除行走不稳、下肢深感觉障碍、跟膝反射减弱或消失以及Romberg征阳性外,其他典型临床特征缺乏。