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. 2011.

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  • 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

  • neuroectodermal tumor — A tumor of the central or peripheral nervous system …   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 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

  • 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… …   English dictionary of cancer terms

  • peripheral neuroepithelioma — peripheral neuroectodermal tumor …   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

  • Malignant peripheral nerve sheath tumor — Classification and external resources Micrograph of malignant peripheral nerve sheath tumour with the typical herringbone pattern. H E stain …   Wikipedia

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