NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 8,098 terms related to cancer and medicine.

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primitive neuroectodermal tumor
(PRIH-muh-tiv NOOR-oh-EK-toh-DER-mul TOO-mer)
One of a group of cancers that develop from the same type of early cells, and share certain biochemical and genetic features. Some primitive neuroectodermal tumors develop in the brain and central nervous system (CNS-PNET), and others develop in sites outside of the brain such as the limbs, pelvis, and chest wall (peripheral PNET). Also called PNET.