<prompt> In Neuroblasotmas the most common presentation is ?Lytic lesion in skull with suture diastasisLung metastasisRenal invasionSecondaries in brain  <response>: 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. 