Endoscopic Transnasal Resection of Midline Skull Base Meningiomas: Tumor Consistency and Surgical Outcomes

Abstract Background  The endoscopic transnasal approach (ETA) has proven to be of great value in the resection of midline skull base meningiomas when compared with traditional approaches. Our objective was to assess tumor consistency in relation to surgical outcomes for midline meningiomas (MMs) res...

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Published in:Journal of neurological surgery. Part B, Skull base Skull base, 2021-10, Vol.82 (5), p.500-505
Main Authors: Al Abdulsalam, Hissah K., Aldahish, Aljohara K., Albakr, Abdulrahman, Hussain, Sajjad, Alroqi, Ahmad, Alromaih, Saud, Alsaleh, Saad, Ajlan, Abdulrazag M.
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Language:English
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Summary:Abstract Background  The endoscopic transnasal approach (ETA) has proven to be of great value in the resection of midline skull base meningiomas when compared with traditional approaches. Our objective was to assess tumor consistency in relation to surgical outcomes for midline meningiomas (MMs) resected using ETA. Methods  Radiological preoperative features, including the tumor to cerebellar peduncle T2-weighted magnetic resonance imaging (MRI) ratio (TCTI), were evaluated. The intraoperative consistency assessment was performed by the surgeon, which determined if the tumor was soft (resectable by suction) or firm (required a cavitation ultrasonic aspirator). Surgical resection and postoperative complications were evaluated in relation to tumor consistency. Results  Twenty patients were evaluated; 6 were classified as firm and 14 were classified as soft. The mean TCTI ratio was 1.7 and the median was 1.7 (range: 1.3–2.4). Three firm tumors had a ratio of
ISSN:2193-6331
2193-634X
DOI:10.1055/s-0040-1714111