National Cancer Institute Thesaurus

Last uploaded: February 21, 2019
Preferred Name

Gemistocytic Astrocytoma

ID

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C4321

code

C4321

DEFINITION

A rare variant of diffuse astrocytoma. It is characterized by the presence of a conspicuous, though variable, fraction of gemistocytic neoplastic astrocytes. Gemistocytes are round to oval astrocytes with abundant, glassy, non-fibrillary cytoplasm which appears to displace the dark, angulated nucleus to the periphery of the cell. To make the diagnosis of gemistocytic astrocytoma, gemistocytes should amount to more than approximately 20% of all tumor cells. (Adapted from WHO)

FULL_SYN

Gemistocytoma

ICD-O-3_Code

9411/3

label

Gemistocytic Astrocytoma

Legacy_Concept_Name

Gemistocytic_Astrocytoma

Neoplastic_Status

Undetermined

Preferred_Name

Gemistocytic Astrocytoma

prefixIRI

C4321

prefLabel

Gemistocytic Astrocytoma

Semantic_Type

Neoplastic Process

UMLS_CUI

C0334581

subClassOf

http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C7173

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http://purl.obolibrary.org/obo/DOID_7005 Human Disease Ontology 123 LOOM
http://purl.bmicc.cn/ontology/ICD11CN/XH5Y81 International Classification of Diseases, 11th Edition, China LOOM