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: Surgery
[{'content': 'In Neuroblasotmas the most common presentation is ? \nSelect and explain. \nA. Lytic lesion in skull with suture diastasis, B. Lung metastasis, C. Renal invasion, D. Secondaries in brain', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is \'a\' i.e., Lytic lesion in skull with suture diastasis Although the most common presentation of neuroblastoma is an abd. mass, option \'a\' is most common among the given options. Sutton writes - "Neuroblastoma frequently metastasizes to the skull. Lesions may involve the suture margins, paicularly the coronal suture, which becomes widened (diastasis) and irregular".', 'role': 'assistant'}]