Invasive benign meningioma: Clinical characteristics, surgical strategies and outcomes from a single neurosurgical institute
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- Published online on: April 4, 2016 https://doi.org/10.3892/etm.2016.3223
- Pages: 2537-2540
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Abstract
The aim of the present study was to improve the prognosis for patients with invasive benign meningioma by increasing the precision of pre‑operative evaluation and refining the surgical resection strategy. A retrospective review of all the cases of invasive benign meningioma admitted to a single institute from 2005 to 2010 was conducted. The clinical characteristics, magnetic resonance imaging (MRI) findings, refined surgical strategies and outcomes were summarized and analyzed. There were 19 cases of invasive benign meningioma among 254 cases of meningioma. Of the earliest 4 cases, a traditional extra‑capsular surgical removal approach was applied, which resulted in permanent neurological deficits for all cases. A modified surgical strategy combining intra‑ and extra‑capsular resection techniques was employed for the subsequent 15 cases, which lead to mild neurological impairment in only 1 case. Pre‑operative recognition of this unique sub‑type of meningioma maybe facilitated by its typical MRI study findings, and the combination of intra‑ and extra‑capsular resection techniques may be of critical importance in achieving complete tumor removal while maintaining intact neurological functions.
