NCIt definition : A malignant neuroblastic tumor characterized by the presence of neuroblastic cells,
the absence of ganglion cells, and the absence of a prominent Schwannian stroma formation.;
Alternative definition : CDISC: A malignant neoplasm composed of neuroblastic cells.; NCI-GLOSS: Cancer that arises in immature nerve cells and affects mostly infants and
children.; NICHD: A malignant neoplasm comprised of neuroblasts that commonly arises in or near
the adrenal glands.;