1. A 20-month-old girl presents to the clinic for evaluation of rapid, chaotic eye movements that began approximately 15 days ago, following a viral infection about a month prior. Her parents report increased irritability and disrupted sleep. Although she appears clumsy, she is still able to walk. Given your concern for opsoclonus in this patient, what is a reasonable diagnosis?
2. Which of the following options are reasonable for the evaluation and management of a child with Opsoclonus Myoclonus Ataxia Syndrome (OMAS), as well as considerations for long-term prognosis?