Results:Symptoms such as nausea,vomiting,dizziness and dystaxia were common in this group of patients,and headache and nuchal rigidity were found in 51.6% and 32.3% patients respectively.

• 结果:本组病人以恶心呕吐、眩晕和共济失调为常见临床表现；而头痛和颈项强直仅分别见于51.；6%25和32