primitive neuroectodermal tumor

primitive neuroectodermal tumor
PNET. One of a group of cancers that develop from the same type of early cells, and share certain biochemical and genetic features. Some PNETs 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.

English dictionary of cancer terms . 2015.

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  • Primitive neuroectodermal tumor — Classification and external resources ICD O: M9473/3 DiseasesDB 31470 …   Wikipedia

  • primitive neuroectodermal tumor — (PNET) a heterogeneous group of neoplasms thought to derive from undifferentiated neuroglial cells of the neural crest. Some occur in the brain and some (the peripheral neuroectodermal tumors) elsewhere, such as on a limb, the pelvis, or the… …   Medical dictionary

  • Neuroectodermal tumor — Classification and external resources MeSH D018358 A neuroectodermal tumor is a tumor of the central or peripheral nervous system. See also Neuroendocrin …   Wikipedia

  • peripheral neuroectodermal tumor — (PNET) a primitive neuroectodermal tumor occurring outside of the central nervous system, such as on a limb, the pelvis, or the chest wall; seen most often in adolescents and young adults, frequently with widespread metastases …   Medical dictionary

  • central nervous system primitive neuroectodermal tumor — CNS PNET …   English dictionary of cancer terms

  • peripheral primitive neuroectodermal tumor — A type of cancer that forms in bone or soft tissue. Also called pPNET and Ewing sarcoma …   English dictionary of cancer terms

  • Primitive neuroectodermal tumors — A type of brain tumor believed to originate in neural crest cells. Diagnosis is by biopsy. Treatment is by radiation and/or chemotherapy. Abbreviated PNET. See also Ewing’s sarcoma …   Medical dictionary

  • tumor — 1. Any swelling or tumefaction. 2. SYN: neoplasm. 3. One of the four signs of inflammation (t., calor, dolor, rubor) enunciated by Celsus. [L. t., a swelling] acinar cell t. a …   Medical dictionary

  • Atypical teratoid rhabdoid tumor — ICD9|192 Caption = MRI of an AT/RT ICDO = 9508/3 OMIM = 609322 DiseasesDB = 30780 MedlinePlus = 000768 eMedicineSubj = ped eMedicineTopic = 3012 MeshID = D016543 Atypical teratoid rhabdoid tumor (AT/RT) is a rare tumor usually diagnosed in… …   Wikipedia

  • Desmoplastic small-round-cell tumor — Classification and external resources Micrograph of a desmoplastic small round cell tumor, showing the characteristic desmoplastic stroma and angulated nests of small round cells. H …   Wikipedia

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