Histological types Nucleus Nucleolus Appearance Cytoplasm Neuropils Rosette forming Schwannian cells Situation Shape Neuroblastoma Bare nucleus Round to oval Discreet to prominent Scattered Scanty Presence in tumor cells　background Presence Absence Ganglioneuroblastoma   Ganglion like cells Cytoplasm present Oval Prominent Isolated Abundance, Absence Absence Presence (More than 50%)(INPC)

Table 6: Comparison of cytological findings between neuroblastoma and ganglioneuroblastoma.