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MRICS

The MRI classification system (MRICS) was developed to harmonize classification of magnetic resonance imaging (MRI), based on pathogenic patterns as proposed by the SCPE network.

A     Maldevelopments
       A1 Disorders of proliferation, migration or organisation
       A2 Other maldevelopments (among others: holoprosencephaly, Dandy Walker malformation,
       corpus callosum agenesis, cerebellar hypoplasia...)
B     Predominant white matter injury
       B1 Periventricular leucomalacia (PVL) (mild/severe)
       B2 Sequelae of intraventricular hemorrhage (IVH) or periventricular hemorrhagic infarction (PVHI)
       B3 Combination of PVL and IVH sequelae
C     Predominant grey matter injury
       C1 Basal ganglia/thalamus lesions (mild/moderate/severe)
       C2 Cortical-subcortical lesions only (watershed lesions in parasagittal distribution / multicystic encephaliamalacia)
            not covered by C3
       C3 Arterial infarctions (middle cerebral artery/other)
D     Miscellaneous (among others: cerebellar atrophy, cerebral atrophy, delayed myelination,
       ventriculomegaly not covered by B, hemorrhage not covered by B, brainstem lesions, calcifications)
E     Normal

More information is available in the SCPE MRICS article:

Himmelmann K et al. (2017), MRI classification system (MRICS) for children with cerebral palsy: development, reliability, and recommendations. Dev Med Child Neurol, 59: 57-64. doi:10.1111/dmcn.13166.

http://onlinelibrary.wiley.com/doi/10.1111/dmcn.13166/full
DMCN Author Podcast - Kate Himmelmann (December 2016) – YouTube