there were 22 patients -- 10 with plexiform neurofibromas , 3 with neurofibromas , 2 with esthesioneuroblastomas , 2 with neurilemmomas , 1 with neurogenous sarcoma , and 4 with neuroblastomas who presented with a mass in the head and neck .
C0206717
esthesioneuroblastomas
C0027819
neuroblastomas