Mondo Description Pilocytic astrocytoma is a rare subtype of low-grade glioma of the central nervous system characterized by a well circumscribed, often cystic, brain tumor with a discrete mural nodule and long, hair-like projections that extend from the neoplastic astrocytes. Depending on the primary localization and the size of the tumor, patients can present with signs of raised intracranial pressure (headache, vomiting, papilledema), blurred vision, decreased visual acuity, ataxia and/or nystagmus, among others. It is most commonly located in the cerebellum, but ocurrence in the hypothalamus, brain stem, optic chiasma, and hemispheres has also been reported.
Disease Ontology Description An astrocytoma that is characterized by cells that look like fibers when viewed under a microscope and is located_in the brain.
Counts of Target Development Levels for diseases known to be associated with this disease. If the disease has a valid DOID, targets known to be associated with all child diseases are aggregated. Click "Explore Associated Targets" to view more facets and details for the target list.
This disease has been annotated by GARD as a rare disease.
Description from Mondo Disease Ontology.
Description from Disease Ontology
DataSources which have contributed target associations to this disease, and the identifiers by which the disease is referenced.
DOID:4851
GARD:0009808
NCIT:C4047
ONCOTREE:PAST
Orphanet:251612
SCTID:763865009
UMLS:C0334583
MONDO:0016691
High level summary of knowledge for a disease, including descriptions and datasource references.