Orphanet Rare Disease Ontology

Last uploaded: December 4, 2024
Id http://www.orpha.net/ORDO/Orphanet_370348
http://www.orpha.net/ORDO/Orphanet_370348
Preferred Name

Peripheral primitive neuroectodermal tumor

Definitions
A rare, aggressive, malignant, neoplastic disease characterized by a usually ill-defined, solid, multilobulated mass, frequently having necrosis, located on any site of the body (except the central nervous system), composed of small, round, poorly differentiated cells, with or without Homer-Wright rosettes, showing varying degrees of neuroectodermal differentiation. Manifestations are variable depending on location, with osteolytic destruction being common when arising from bone.
Synonyms
Peripheral neuroepithelioma
PPNET
Peripheral PNET
Type http://www.w3.org/2002/07/owl#Class
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