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Neuroblastoma
(redirected from neuroblastomas)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
neuroblastoma [‚nu̇r·ō·bla′stō·mə]
(medicine)
A malignant neoplasm composed of anaplastic sympathicoblasts; occurs usually in the adrenal medulla of children.

Neuroblastoma 

a malignant tumor of nerve tissues, occurring most frequently in children. Classified as neuroblastomas are sympathicogoniomas, sympathicoblastomas, and ganglioblastomas. In most cases, neuroblastomas originate in the medulla glandulae suprarenalis, in the sympathetic trunk, and in the pelvic and abdominal divisions of the sympathetic nervous system.



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Most neuroblastomas produce catecholamines, which result in some of the most interesting presentations observed in children with neuroblastoma.
We speculated that genes that are expressed in a MYCN-dependent manner might be required specifically for the growth of MYCN-amplified neuroblastomas and that MYCN-amplified neuroblastomas might depend not only on N-Myc itself, but also on upstream regulatory factors or downstream target genes," said senior study author, Dr.
Neuroblastomas and neuroendocrine carcinomas of the nasal cavity: A proposed new classification.
 
 
 
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