Subependymoma
| Subependymoma | |
|---|---|
Micrograph of a subependymoma showing the characteristic clustering of nuclei. H&E stain.
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| Classification and external resources | |
| Specialty | Lua error in Module:Wikidata at line 446: attempt to index field 'wikibase' (a nil value). |
| ICD-O | 9383/1 |
| DiseasesDB | 34807 |
| Patient UK | Subependymoma |
A subependymoma is a type of brain tumor; specifically, it is a rare form of ependymal tumor.[1]
The prognosis for a subependymoma is better than for most ependymal tumors,[2] and is considered a grade I/IV tumor in the World Health Organization (WHO) classification.
They are classically found within the fourth ventricle, typically have a well demarcated interface to normal tissue and do not usually extend into the brain parenchyma, like ependymomas often do.[3]
Diagnosis
The diagnosis is based on tissue, e.g. a biopsy. Histologically subependymomas consistent of microcystic spaces and bland appearing cells without appreciable nuclear atypia or mitoses. The nuclei tend to form clusters.
References
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