ArticleActa neurochirurgica2026
3D digital exoscope is safe tool in the surgery of olfactory groove meningiomas.
Article in Acta neurochirurgica, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundDigital 3D exoscopes have been introduced as alternatives for operating microscopes in microneurosurgery. It has been hypothesized that exoscope may provide benefits especially at the most anterior skull base, where surgical trajectories often require heavy tilting of the magnification device. We evaluated the safety and practicality of the digital 3D exoscopes in surgery of olfactory groove meningiomas (OGM) during the transition from using a microscope to an exoscope.
methodsIn this retrospective cohort study, we included all consecutive adult patients who underwent surgery for OGM (n = 22) by a single senior neurosurgeon between 2016 and 2024 either with a microscope (n = 13) or an exoscope (n = 9). We reviewed the pre- and postoperative MRIs, patient records (including Modified Rankin Scale (mRS)), and surgical videos of all the patients. The surgical approach was unilateral fronto-temporal in all the cases.
resultsThe patients in the exoscope group had larger tumors (median 61cm
conclusionThe surgical outcomes for OGMs remained consistent during the transition from using a microscope to an exoscope. The exoscope is a safe tool in the surgery of OGMs, even when operating on large tumors. The wider range of angular movement of the camera head is particularly advantageous when accessing the anterior skull base. In line with this, exoscope-assisted surgeries relied more on tilting movements, whereas microscope-assisted surgeries required more horizontal adjustment.
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