The system of the modified transcochlear approaches to the petroclival area and the prepontine cistern.

摘要: Between June 1986 and 1993 46 different tumors (27 extradural 19 intradural) located in the petroclival area and/or prepontine cistern have been operated on at The Gruppo Otologico Piacenza ENT Department of Bergamo, Italy using a modification transcochlear approach. Total tumor removal was obtained all cases. Complications occurred eight patients. One patient died due to infarction brain stem. system modified approaches conceived for various intradural is presented. This approach, together with its modifications, major operative access central skull base clivus among series lateral described literature. basilar surgical technique (type A) modifications (types B, C, D) are detail, five different, illustrative cases Indications, limits, results, complications related approach discussed.