In Neuroblastomas the most common presentation is -

Although the most common presentation of neuroblastoma is an and. 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". Ref : Bailey & Love 25/e p815