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P.141 Endoscopic transorbital approach to the skull base: a single centre experience

Published online by Cambridge University Press:  24 May 2024

ME Yasuda
Affiliation:
(Hamilton)*
J Moore
Affiliation:
(HAMILTON)
T Nguyen
Affiliation:
(HAMILTON)
Y Alammar
Affiliation:
(HAMILTON)
MA Mohd Slim
Affiliation:
(HAMILTON)
A Mastrolonardo
Affiliation:
(HAMILTON)
D Sommer
Affiliation:
(HAMILTON)
K Reddy
Affiliation:
(HAMILTON)
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Abstract

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Background: Minimally invasive endoscopic techniques via the transorbital approach (ETOA) have emerged as a promising alternative for addressing skull base tumours. This study aims to showcase our institution’s extensive experience with ETOA, detailing the surgical technique employed and presenting comprehensive patient outcomes. Methods: A retrospective analysis was conducted on data from patients who underwent ETOA within the past five years. Results: Over the study period, 24 ETOA procedures were performed on 21 patients, with an average age of 48.92, 13 of whom were women. The superior orbital corridor was utilized in 95.83% of cases, and in 79.17%, ETOA was complemented by a transnasal approach. Spheno-orbital meningioma accounted for the most common surgical indication (33.33%, n=8), all resulting in vision improvement, followed by lateral frontal sinus mucocele (25%, n=6). The median length of stay was one day, and ETOA achieved the procedure goal in 19 patients. Transient V1 numbness was the primary complication (29.17%, n=7), and 20.83% (n=5) necessitated another surgery. Notably, no mortality was associated with this procedure. Conclusions: Our institution’s experience underscores the notable safety and efficacy potential of ETOA, with 19 out of 21 patients exhibiting positive outcomes, obviating the need for revision surgery in most cases.

Type
Abstracts
Copyright
© The Author(s), 2024. Published by Cambridge University Press on behalf of Canadian Neurological Sciences Federation