... Arachnoid Cyst Induces Compression of the Spinal Cord and Syringomyelia: Case Report and Literature Review Haiyan Huang1*, Yuanqian Li1*, Kan Xu1*, Ye Li2, Limei Qu3, Jinlu Yu1 ... of the posterior fossa. We performed surgery on this patient. Meanwhile, we undertook a literature review on this topic as well, in order to provide better understanding and relate our experience ... umbilicus, muscle wasting of the bilateral thenar and upper limbs, grade III muscle power of the upper and lower limbs, reduced tendon reflex, negative Babinski’s sign, reduced cremasteric and anal...