ganglioneuroblastoma ganglioneuroblastoma ganglioneuroblastoma is a variant of neuroblastoma that is surrounded by ganglion cells. ganglioneuroblastomamri of a ganglioneuroblastoma found in the head and neck of a 7 year old caucasian male.specialtyneuro-oncology it can be difficult to diagnose. nodular ganglioneuroblastoma can be divided by prognosis. neuroblastic tumors it is contained within the neuroblastic tumors group, which includes: ganglioneuroma (benign) ganglioneuroblastoma (intermediate). neuroblastoma (aggressive)