In Neuroblasotmas the most common presentation is ?

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".