Preferred Name | Pleomorphic xanthoastrocytoma | |
Synonyms |
PXA |
|
Definitions |
A rare low-grade astrocytoma characterized by superficial location in the cerebral hemispheres with involvement of the meninges, composed of GFAP-expressing cells showing nuclear and cytoplasmic pleomorphism and xanthomatous change, surrounded by a reticulin network. The tumor corresponds to WHO grade II and typically affects children and young adults, who often present with a long history of seizures. Extent of resection and mitotic index are important prognostic factors. |
|
ID |
http://www.orpha.net/ORDO/Orphanet_251607 |
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alternative_term |
PXA |
|
definition |
A rare low-grade astrocytoma characterized by superficial location in the cerebral hemispheres with involvement of the meninges, composed of GFAP-expressing cells showing nuclear and cytoplasmic pleomorphism and xanthomatous change, surrounded by a reticulin network. The tumor corresponds to WHO grade II and typically affects children and young adults, who often present with a long history of seizures. Extent of resection and mitotic index are important prognostic factors. |
|
definition_citation |
Orphanet |
|
expertlink |
https://www.orpha.net/consor/cgi-bin/OC_Exp.php?Lng=en&Expert=251607 |
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has_age_of_onset |
All ages |
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has_inheritance |
Not applicable |
|
hasDbXref |
ICD-11:2A00.0Y ICD-11:XH99U2 ICD-10:C71.9 UMLS:C0334586 |
|
label |
Pleomorphic xanthoastrocytoma |
|
notation |
ORPHA:251607 |
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part_of | ||
prefixIRI |
ORDO:Orphanet_251607 |
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prefLabel |
Pleomorphic xanthoastrocytoma |
|
present_in |
Europe AND has_annual_incidence_average_value : 0.01 AND has_annual_incidence_range : <1 / 1 000 000 |
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treeView | ||
subClassOf |