Correlation between pneumatisation of the petrous bone and CSF fistula in the retrosigmoid approach for vestibular schwannoma surgery

Kristofer Ramina, Florian Ebner & Marcos Tatagiba
Objective: to correlate the risk of CSF Fistula with the extension of the petrous bone pneumatisation for the retrosigmoid approach and opening of the intern auditory canal. Method: 140 patients submitted to resection of a vestibular schwannoma by a retrosigmoid approach were evaluated regarding [for full text, please go to the a.m. URL]