Pontocerebellar hypoplasia type 2: further clinical characterization and evidence of positive response of dyskinesia to levodopa.

Abstract excerpt

Pontocerebellar hypoplasia type 2 (PCH2) is a very rare autosomal recessive disorder. We report two unrelated female patients born to consanguineous parents presenting with this condition. Patient 1 showed a classical clinical/neuroradiological phenotype of PCH2 with dyskinesia/dystonia. Patient 2 had a neonatal onset of PCH2 with polyhydramnios, apneic spells, myoclonus, and an akinetic/rigidity condition....

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