Focal transmantle dysplasia
MRI ordered for right ear pain, no h/o seizures
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note the cortical thickening in right frontal lobe and insula.
nodular heterotopia are also seen. the entire cortical mantle is involved upto periventricular region
It is a distinct entity as it involves not only the cortex but also the underlying white matter upto periventricular region. Frontal location is most common, on HPE they usually show balloon cells.
this is in contrast to non balloon cell dysplasia that are more common in temporal lobe.
- Pediatric Neuroradiology: Head and neck, spine By Paolo Tortori-Donati, Andrea Rossi (MD.), Roberta Biancheri