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Updated: May 31, 2026

A Unified Methodological Framework for Vestibular Schwannoma Research

A Unified Methodological Framework for Vestibular Schwannoma Research

Published on: June 20, 2017

Preoperative Radiological Features Predict Facial and Cochlear Nerve Function after Vestibular Schwannoma Surgery: A

Ding Zhang¹, Zining Guo¹, Qun Wang¹

¹Medical School of Chinese PLA, Beijing, China; Department of Neurosurgery, The First Medical Center of Chinese PLA General Hospital, Beijing, China.

World Neurosurgery

|May 29, 2026

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Preoperative tumor characteristics like laterality and diameter predict facial nerve dysfunction after vestibular schwannoma surgery. A developed nomogram accurately forecasts these risks, aiding surgical planning.

Area of Science:

Neurosurgery
Radiology
Otolaryngology

Background:

Vestibular schwannoma (VS) surgery poses risks of facial nerve (FN) dysfunction and hearing loss.
Identifying preoperative predictors is crucial for managing surgical outcomes.

Purpose of the Study:

Identify preoperative radiological predictors of postoperative FN function.
Develop a predictive nomogram for FN dysfunction after VS resection.

Main Methods:

Retrospective analysis of 262 patients undergoing retrosigmoid VS resection.
Logistic regression to identify predictors of poor FN function (House-Brackmann grade ≥III).
Nomogram construction and validation; hearing outcomes explored in 81 patients.

Main Results:

Keywords:

Facial nerve function Hearing preservation Nomogram Predictor Vestibular schwannoma

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Last Updated: May 31, 2026

A Unified Methodological Framework for Vestibular Schwannoma Research

A Unified Methodological Framework for Vestibular Schwannoma Research

Published on: June 20, 2017

Tumor laterality, maximum diameter, fundal fluid cap sign (FFC), and cerebrospinal fluid cleft sign (CSFC) independently predicted FN dysfunction.
The nomogram showed good discrimination (AUC 0.834 training, 0.880 validation).
Tumor diameter and brainstem compression predicted postoperative hearing loss.

Conclusions:

Tumor laterality, diameter, FFC sign, and CSFC sign are independent predictors of postoperative FN function.
The developed nomogram demonstrated satisfactory predictive performance.
Findings may refine surgical approaches, pending multicenter validation.