The semi-sitting position retrosigmoid acoustic neuroma resection for 40 cases of clinical experience

Objective To summarize the semi-sitting position acoustic neuroma microsurgery operation skills.Methods A retrospective analysis using the semi-sitting position microsurgical operation treatment of 40 cases of acoustic neuroma.Combined with the literature on acoustic neuroma microsurgery operation skills discussed.Results In 40 cases,female 23,male 17 cases,The age ranged from 20 to 65 years old,average 45 years old,The clinical course of 2 months to 6 years,average 28 months,Tumor diameter 2-6 cm.Tumor under the microscope were totally removed in 35 cases,subtotal resection in 5 cases,the rate of total resection operation 36(90%) Facial nerve reservation in 37 cases(92.5%),no operation death.Conclusion The semi-sitting position via suboccipital retrosigmoid microsurgical operation for the treatment of acoustic neuromas,For acoustic neuroma and cerebellopontine angle good exposure,operation result is satisfactory.