Objective To study mechanism and treatment of pseudomeningocele of post-suboccipital approach craniotomy,put forward that neck muscles movement play a important role in developing pseudomeningocele.

• 目的探讨枕下入路开颅术后假性脑膜膨出的原因及防治,观察颈项肌肉泵在此过程中所起的作用。