The most common malignant neoplasm of infancy is (AIIMS May 2014)
Neuroblastoma is the most frequently diagnosed neoplam in infants accounting for 28-39% of neonatal malignancies'
a. Neuroblastoma is a malignant tumor of the autonomic nervous system
b. lt has following Peculiarities : -
i. Most common abdominal cancer of childhood.
ii. Most common cancer of infancy
iii. Most conmolextracranialtumor of childhood (most common solid tumor of childhood is brain tumor)'
c. lt is a neuroendocrine tumor, arising from any neural crest element of the sympathetic nervous system,
d. Primary tumor is localized in the localization of sympathetic nervous system