Pediatrics Childhood malignancies b3e6c6d1 Opsoclonus is associated with: A Neuroblastoma B Nephroblastoma C Retinoblastoma D Hypernephroma High-Yield Explanation Opsoclonus-myoclonus-ataxia syndrome' associated with Neuroblastoma Rapid, uncontrollable jerking eye & body movements, poor coordination