Paraspinal Ganglioneuroblastoma presenting with Isolated Ataxia in a Child (P11-6.013)

Neuroblastoma is classically associated with Opsoclonus-Myoclonus-Ataxia Syndrome (OMAS); however, isolated gait instability and intention tremor without other hallmark symptoms and absence of elevated urine catecholamine metabolites posed challenges to the clinical diagnosis. Our case highlights the atypical clinical presentation of paraspinal ganglioneuroblastoma.