Clinical symptoms associate cerebellous ataxia, pyramidal syndrome with Babinski sign , abolition of reflexes, disorder of profound sensitivity, dysarthria, oculomotor disorders and cardiomyopathy.

• 临床症状伴有：小脑共济失调，椎体综合征，如巴宾斯基阳性，反射消失，深度反应失调，构音障碍，眼球运动障碍，以及原发性心肌疾病。