Historadiological correlations in high-grade glioma with the histone 3.3 G34R mutation - 01/09/18
, Raphaël Saffroy e, Mélanie Pagès a, Felipe Andreiuolo a, Jacques Grill f, Stéphanie Puget c, g, Nathalie Boddaert b, c, d, Pascale Varlet aBienvenue sur EM-consulte, la référence des professionnels de santé.
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Abstract |
Background and purpose |
Molecular alterations were recently added to the World Health Organization (WHO) 2016 classification of central nervous system (CNS) tumors. We correlated the histological and radiological features of G34R mutant high-grade gliomas, a recently described hemispheric and supratentorial glioma of children and young adults.
Materials and methods |
We performed a retrospective multicenter study on the histopathological and MRI results of 12 patients.
Results |
All tumors were supratentorial. Several radiological aspects were observed. Height over 12 were bulky and well delineated tumors, without visible peritumoral infiltration on MRI and pathologically characterized by highly cellular tissue associated with a moderate peritumoral infiltrative component. Two tumors were ill-defined and hyperintense on T2 sequences and pathologically characterized by diffuse tumoral infiltration. Two tumors were bulky and well delineated with an infiltrative component, both radiologically and histopathologically.
Conclusions |
These different patterns may correspond to different pathological mechanisms and a potential link with prognosis should be assessed in further studies.
Le texte complet de cet article est disponible en PDF.Keywords : Glioblastoma, Glioma, Histone, Neuropathology, Magnetic resonance imaging, Child
Abbreviations : WHO, CNS, HGG, PWI, DWI
Plan
Vol 45 - N° 5
P. 316-322 - septembre 2018 Retour au numéro
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