Pontocerebellar hypoplasia

Case contributed by Ammar Ashraf
Diagnosis almost certain

Presentation

Known case of cerebral palsy with altered level of consciousness.

Patient Data

Age: 20 years
Gender: Female
ct

Scan quality is degraded by motion artifacts. No CT evidence of recent established territorial infarction, intracranial hemorrhage, mass effect or midline shift is seen. Two small CSF densities, likely old infarcts, noted in the left basal ganglia. A CSF-density (likely porencephalic cyst) in the left parietal lobe. Normal size posterior fossa, cerebellar agenesis/hypoplasia except superior vermix, hypoplastic pons, moderate dilatation of the ventricular system, periventricular white matter hypodensities and asymmetrical dilation of the right frontal horn (probably related to gliotic changes in the right frontal lobe). Bilateral phthisis bulbi.

Case Discussion

CT features are suggestive of pontocerebellar hypoplasia.

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