About The Medical Condition PNETs
Find the definition of the medical term PNETs. PNETs defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
PNETs
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What's The Definition Of The Medical Condition PNETs?
A group of malignant tumors of the nervous system that feature primitive cells with elements of neuronal and/or glial differentiation. Use of this term is limited by some authors to central nervous system tumors and others include neoplasms of similar origin which arise extracranially (i.e., NEUROECTODERMAL TUMOR, PRIMITIVE, PERIPHERAL). This term is also occasionally used as a synonym for MEDULLOBLASTOMA. In general, these tumors arise in the first decade of life and tend to be highly malignant. (From DeVita et al., Cancer: Principles and Practice of Oncology, 5th ed, p2059)
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