ArticleAnnals of Indian Academy of Neurology2026
Deep Learning Detection of Facial Nerve Enhancement in Bell's Palsy.
Article in Annals of Indian Academy of Neurology, 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
BACKGROUND AND
objectivesThe facial nerve, or seventh cranial nerve, with its complex course and association with multiple pathologies, remains a critical area of study. Bell's palsy, an idiopathic condition leading to unilateral facial weakness, is frequently diagnosed through magnetic resonance imaging (MRI), which can reveal inflammation or pathology within the facial nerve. However, physiological enhancement can complicate diagnosis, particularly in healthy individuals. This study aimed to assess facial nerve enhancement in Bell's palsy patients using machine learning algorithms.
methodsWe retrospectively analyzed 306 MR images from subjects, including 156 Bell's palsy patients and 150 controls, and trained a DenseNet-based deep learning model to identify pathological enhancement with an 80% accuracy (area under the curve (AUC) 87%).
resultsOur model achieved an accuracy of 80% and an AUC of 87% as compared to neuroradiologist's decision, demonstrating its potential to aid clinicians in diagnosis.
conclusionsFuture studies with external validation and larger datasets may further enhance the clinical applicability of AI-based assessment tools for facial nerve pathologies.
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