To investigate the clinical application techniques and curative effect of stereotactic puncture plus Ommaya sac surgery in the treatment of intracranial cystic lesion.

Three cases of patients with intracranial cystic lesions, with definite diagnosis (respectively right temporal metastases, the left side of the CPA schwannoma, intracranial multiple lesions) after stereotactic puncture plus Ommaya sac surgery, according to specific condition for cystic cavity suction gradually, make the capsule liquid reduce to a minimum gradually in order to receive the later gamma knife treatment, admitted to the Department of Neurosurgery, Shanghai Huashan Hospital Gamma Branch from November 2012 to April 2013 were enrolled retrospectively.

Three patients were performed gamma knife treatment after multiple extraction cystic fluid, there is no reaction, no skin infection, no intracranial infection, no epidural hematoma etc. As a result of operation complications.

Stereotactic puncture plus Ommaya sac surgery can yet be regarded as a kind of simple and economical, effective and minimally invasive method for the treatment of intracranial cystic lesion, especially in older patients or the patients can′t tolerate with general anesthesia for other reasons.

Intracranial cystic lesion; Stereotactic puncture; Ommaya sac; Minimal invasive