Table 1.

Brain Imaging Features in Individuals with MCTT Syndrome

FeaturePrevalence
Perisylvian polymicrogyria 19/10
Rhombencephalosynapsis8/10
Persistent trigeminal artery7/10
Prominent posterior clinoid process7/10
Thick rostral corpus callosum6/11
Hypoplastic olfactory bulbs4/8
Ventriculomegaly3/11
Subcortical heterotopia2/11

Based on 11 MRIs reviewed at one center [Mak et al 2020]

1.

Observed in insula; can sometimes extend more broadly in perisylvian region.

From: MN1 C-Terminal Truncation Syndrome

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