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
In Neuroblasotmas the most common presentation is ? 
Select and explain. 
A. Lytic lesion in skull with suture diastasis, B. Lung metastasis, C. Renal invasion, D. Secondaries in brain
A: Lytic lesion in skull with suture diastasis
Answer: A: Lytic lesion in skull with suture diastasis 
Explanation: 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".