Epilepsy AI detects brain lesions radiologists miss — focal cortical dysplasia identification in 200-patient cohort
Summary
A multi-centre UK study tested an AI system for detecting focal cortical dysplasia — subtle MRI abnormalities responsible for drug-resistant epilepsy that are frequently missed on standard radiological review. The AI identified FCD lesions in 67% of patients previously deemed "MRI-negative" by experienced radiologists, with surgical resection of AI-identified lesions resulting in 71% seizure-freedom at 12 months — superior to outcomes from conventional MRI-guided surgery.
Why it matters
FCD is the most common surgically remediable cause of drug-resistant epilepsy yet the majority of lesions are missed on standard MRI. An AI that identifies FCD in 67% of MRI-negative patients and enables surgery with 71% seizure-freedom outcomes would be transformative for epilepsy surgery referral practice — BBC coverage signals this has already crossed into mainstream awareness.
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