Definitions and classification of malformations of cortical development: practical guidelines

Mariasavina Severino, Ana Filipa Geraldo, Norbert Utz, Domenico Tortora, Ivana Pogledic, Wlodzimierz Klonowski, Fabio Triulzi, Filippo Arrigoni, Kshitij Mankad, Richard J Leventer, Grazia M S Mancini, James A Barkovich, Maarten H Lequin, Andrea Rossi, European Network on Brain Malformations (Neuro-MIG)

Research output: Contribution to journalArticlepeer-review


Malformations of cortical development are a group of rare disorders commonly manifesting with developmental delay, cerebral palsy or seizures. The neurological outcome is extremely variable depending on the type, extent and severity of the malformation and the involved genetic pathways of brain development. Neuroimaging plays an essential role in the diagnosis of these malformations, but several issues regarding malformations of cortical development definitions and classification remain unclear. The purpose of this consensus statement is to provide standardized malformations of cortical development terminology and classification for neuroradiological pattern interpretation. A committee of international experts in paediatric neuroradiology prepared systematic literature reviews and formulated neuroimaging recommendations in collaboration with geneticists, paediatric neurologists and pathologists during consensus meetings in the context of the European Network Neuro-MIG initiative on Brain Malformations ( Malformations of cortical development neuroimaging features and practical recommendations are provided to aid both expert and non-expert radiologists and neurologists who may encounter patients with malformations of cortical development in their practice, with the aim of improving malformations of cortical development diagnosis and imaging interpretation worldwide.

Original languageEnglish
Pages (from-to)2874-2894
Number of pages21
JournalBrain : a journal of neurology
Issue number10
Publication statusPublished - 2020


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