Neuroblastic tumors arise from neural crest cells and encompass a spectrum from
neuroblastoma–an undifferentiated, malignant tumor–to ganglioneuroma–a well–
differentiated, benign neoplasm (Leavitt et al. 2000). Neuroblastomas and
ganglioneuroblastomas represent the second most common group of solid extracranial
neoplasms of infancy and childhood and account for approximately 8% of malignancies in
these age groups. Most of these tumors are diagnosed by the age of 4, although rare …