This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'Opsomyoclonus is encountered as C/F of- \nSelect and explain. \nA. Meningioma, B. Neuroblastoma, C. Neurofibromatosis, D. Excision', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Neuroblastoma o Neuroblastoma can present as paraneoplastic syndrome of autoimune origin manifesting as ataxia or oposmyoclonus (Dancing eyes and dancing feat). o In such cases primary tumor is in the chest or abdomen and the brain is negative for tumor. o Some tumor produce catecholamines that can cause sweating and HTN and some release vasoactive intestinal peptide (VIP) causing secretary diarrhea.", 'role': 'assistant'}]