Spinocerebellar ataxia type 3
Dec. 30, 2021
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T1-weighted (left) and T2-weighted (right) sagittal magnetic resonance images of the cervical spine showing an intradural extramedullary mass that appears hyperintense on the T1-weighted image and hypointense on the T2-weighted image. (Source: Srirama Jayamma S, Sud S, Buxi T, Madan VS, Goyal A, Dhawan S. Cervical spinal meningeal melanocytoma presenting as intracranial superficial siderosis. Case Rep Radiol 2015;2015:674868. Creative Commons Attribution License.)