Dysembryoplastic neuroepithelial tumor | definition of dysembryoplastic neuroepithelial tumor by Medical dictionary
dysembryoplastic neuroepithelial tumor
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dys·em·bry·o·plas·tic neu·ro·ep·i·the·li·al tu·mor
a rare low-grade neoplasm most frequently seen in children and associated with seizures and cortical dysplasia; the often multinodular, multicystic tumor is composed of oligodendrogliallike cells with accompanying neurons.
dysembryoplastic neuroepithelial tumor Abbreviation: DNET
A benign mass of misshapen brain cells. DNETs are a relatively rare cause of seizures in children and adolescents.
References in periodicals archive
Longitudinal sectioning may reveal perivascular columns of cells, frequently separated by mucoid matrix, mimicking dysembryoplastic neuroepithelial tumor
Chromosome 1p allelic loss by fluorescence in situ hybridization is not observed in dysembryoplastic neuroepithelial tumors
Dysembryoplastic neuroepithelial tumors
and gangliogliomas are two different types of low-grade tumors most commonly associated with seizures.