Joubert syndrome

Case contributed by Frank Gaillard
Diagnosis certain

Presentation

None provided.

Patient Data

Age: Child
mri

Selected images from an MRI of the brain demonstrates absence of the cerebellar vermis, with apposition (but no fusion) of the cerebellar hemispheres. The fourth ventricle has a bat-wing configuration, and the elongated superior cerebellar peduncles give the midbrain a characteristic molar-tooth shape.

Case Discussion

 Findings are characteristic of Joubert syndrome.

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