Items tagged “brain tumour”
8 results found
Article
Pilocytic astrocytoma
Pilocytic astrocytomas, also known as juvenile pilocytic astrocytomas, are circumscribed astrocytic gliomas that typically occur in young patients. The majority of sporadic pilocytic astrocytomas arise from the cerebellum, whereas in the setting of neurofibromatosis type 1 (NF1), they often invo...
Article
Papillary glioneuronal tumor
Papillary glioneuronal tumors are rare well circumscribed complex solid cystic supratentorial lesion with an indolent clinical course. They are often considered part of the heterogeneous group of tumors known as long-term epilepsy-associated tumors (LEATs).
Epidemiology
These tumors typically ...
Article
Myxoid glioneuronal tumor
Myxoid glioneuronal tumor is a rare and low-grade tumor (WHO grade 1) that usually involve the septum pellucidum, corpus callosum, subcallosal area, periventricular white matter and septal nuclei 1.
Terminology
The histologic features of this tumor are similar to dysembryoplastic neuroepithel...
Article
Polymorphous low grade neuroepithelial tumor of the young
Polymorphous low-grade neuroepithelial tumor of the young (PLNTY) is an epileptogenic tumor of children and young adults. They are often considered part of the heterogeneous group of tumors known as long-term epilepsy-associated tumors (LEATs).
Terminology
First described in 2016 1, polymorpho...
Article
Diffuse low grade glioma MAPK pathway altered
Diffuse low-grade glioma, MAPK pathway-altered is a novel tumor type included in the 5th Edition (2021) of the WHO brain tumor classification 1.
Terminology
Several genetic mutations were recognized in low-grade IDH-wt/H3-wt brain diffuse gliomas occurring in children and adolescents, such as ...
Article
CNS neuroblastoma, FOXR2-activated
Central nervous system neuroblastoma, FOXR2-activated is a novel brain tumor entity recently included in the WHO brain tumor classification 1.
Terminology
Central nervous system neuroblastoma with FOXR2 activation was identified in 2016 as a new molecular entity, distinguished from primitive n...
Article
Diffuse hemispheric glioma H3 G34 mutant
Diffuse hemispheric gliomas, H3 G34 mutant are rare and high grade infiltrating tumors typically presenting in adolescents and young adults.
Terminology
Diffuse hemispheric gliomas H3 G34 mutant have been recently included in the 5th Edition (2021) of the WHO brain tumor classification 1 among...
Article
Infant-type hemispheric glioma
Infant-type hemispheric gliomas, also known as infant high-grade gliomas, are high-grade brain tumors occurring in children.
Terminology
Infant-type hemispheric gliomas belong to the family of "pediatric high-grade diffuse gliomas" of the 2021 WHO Classification of Tumors of the Central Nervou...
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