Opsoclonus is a feature of?: (A) Carcinoma lung, (B) Retinoblastoma, (C) Focal seizure with dyscognitive changes, (D) Extrapyramidal damage in Wilson disease
Answer is A. Opsoclonus - Involuntary jerky movement of eye - Disordered eye movement involuntary chaotic saccades in all direction of gaze Lesion Fastigial nucleus in cerebellum Leading cause of opsoclonus in Adult population is Carcinoma lung / breast Carcinoma In Pediatric- Neuroblastoma