ArticleBrain sciences2026
Practical Indications and Intraoperative Contribution of Neuroendoscopic Assistance During Exoscopic Skull Base Surgery: A Single-Center Experience.
Article in Brain sciences, 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
backgroundNeuroendoscopy complements exoscopic visualization by providing angled views of anatomical structures hidden from the direct surgical line of sight. However, its practical indications and intraoperative contribution during exoscope-assisted skull base surgery have not been systematically evaluated. This study aimed to characterize the patterns of neuroendoscopic use and its observed intraoperative contribution during exoscope-assisted skull base surgery.
methodsWe retrospectively reviewed 164 consecutive skull base procedures performed between March 2024 and June 2026. After excluding 58 pure endoscopic endonasal procedures, 106 exoscope-assisted procedures were analyzed. Neuroendoscopic assistance was used in 42 procedures, each performed in a different patient. Complete operative video recordings from these 42 procedures were retrospectively reviewed by two neurosurgeons, and the observed contribution of neuroendoscopy was classified as visualization-only, confirmatory, or decision-changing.
resultsNeuroendoscopic assistance was used in 42 of 106 exoscope-assisted procedures (39.6%), including 30 aneurysms and 12 tumors. The most common indication was clip and perforator confirmation during aneurysm surgery (30/42, 71.4%). The observed contribution was classified as visualization-only in 8 procedures (19.0%), confirmatory in 20 (47.6%), and decision-changing in 14 (33.3%). Among the 14 decision-changing procedures, neuroendoscopic findings led to clip repositioning in 5 aneurysm procedures and additional tumor removal in 9 tumor procedures. No complications judged attributable to neuroendoscope insertion or manipulation were identified in the 42 procedures.
conclusionsNeuroendoscopic assistance provided additional intraoperative information during exoscope-assisted skull base surgery, with decision-changing findings identified in 14 of 42 assisted procedures. These findings characterize the observed contribution and practical indications of neuroendoscopic assistance; however, the retrospective design, selective use of neuroendoscopy, and limited sample size preclude conclusions regarding comparative efficacy or safety.
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