Its symptoms include sensory impairment in the distal limbs, ataxia, tremor, and pinch weakness.Electrophysiology will show multiple neuropathies with distal involvement first.

• 病患的症状包括：肢体末端的感觉缺失，穿鞋子容易掉，手脚麻木像戴手套穿脚袜一般，拿小东西会掉，走路不稳；