METHOD OF APPROACH TO INFRATENTORIAL MENINGIOMA OF LATERAL CEREBELLAR TENTORIUM AND TRANSVERSE TO SIGMOID SINUS TRANSITION

摘要

FIELD: medicine; neurosurgery.;SUBSTANCE: retrosigmoid suboccipital approach is performed. The patient's head is turned to operation-opposed side at 30° and rigidly fixed. In approaching, bone over transverse sinus is resected to uncover the latter completely. Thereafter pachymeninx is open to remove tumour.;EFFECT: extended range of surgical mediums to treat infratentorial meningiomas of lateral cerebellar tentorium and transverse to sigmoid sinus transition.;1 tbl, 3 dwg, 1 ex