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Neuroblastoma is classified to rosette-fibrillary type and round cell type,
Ganglioneuroblastoma is classified to well differentiated type, composite type
and poorly differentiated type. Benign lesion of ganglioneuroma is not classified
in histological classification of childhood neuronal tumors in the Japanese society
of pathology. Table 1: Histological classification of childhood neuronal tumors in the Japanese society of pathology (1992) |