Title | Description | Subject | ||
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1 | Neuro-Ophthalmic Imaging-MRI | Axial view of Arnold-Chiari malformation on a patient with downbeat nystagmus. Note the presence of the cerebellar tonsils posterior to the caudal medulla. In addition to downbeat nystagmus, Arnold-Chiari malformations can sometimes lead to increased intracranial pressure and papilledema. | Arnold-Chiari Malformation; Chiari Malformation; Inferior Tonsillar Herniation; Downbeat Nystagmus | |
2 | Neuro-Ophthalmic Imaging-MRI | Sagittal view of Arnold-Chiari malformation on a patient with downbeat nystagmus. The compression of the cervicomedullary junction is clearly depicted in the sagittal view. | Arnold-Chiari Malformation; Chiari Malformation; Inferior Tonsillar Herniation; Downbeat Nystagmus |