Outcomes from treatment of asymptomatic skull base meningioma with stereotactic radiosurgery.

Acta neurochirurgica
Stylianos PikisJason P Sheehan

Abstract

Optimal management of asymptomatic skull base meningiomas is controversial. We evaluated the safety and efficiency of Gamma Knife radiosurgery (GKRS) for the management of asymptomatic skull base meningiomas. This retrospective study involved patients managed with GKRS for asymptomatic, skull base meningiomas from 1997 to 2019. Patient clinico-radiologic data, tumor characteristics, and procedural details were analyzed. Favorable outcome was defined as lack of procedure-related mortality or permanent neurologic morbidity and radiologic evidence of tumor control. Tumor progression and regression were defined as an increase or decrease of > 20% in volume from baseline to the last neuroimaging study respectively. Tumor volumes within ± 20% of baseline volume were considered stable. Thirty-seven patients (30 women), median age 68 years old (range 42-83 months) were managed with a single-session GKRS for 40 asymptomatic, skull base meningiomas. At a median clinical follow-up of 58.5 months (range 14-150 months), no mortality associated with the procedure or the treated tumor was noted. Permanent neurologic morbidity was 2.75%. There was a statistically significant decrease in mean tumor volume (p < 0.001) from 4.04 cc (SD 3.09 cc) p...Continue Reading

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Citations

Aug 25, 2021·Acta neurochirurgica·Adomas BuneviciusJason Sheehan
Aug 24, 2021·Curēus·Kunal VakhariaMichael J Link

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