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Superficial siderosis: diffuse hypointensity outlining the cortex and cranial nerves in the posterior fossa (MRI) (2)

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Axial T2-weighted MRI indicates siderosis of the quadrigeminal plate (double white arrows) and the upper cerebral vermis (white arrowheads) with sparing of the cortex of both temporal lobes (curved white). (Source: Artukarslan E, Matin F, Donnerstag F, Gärtner L, Lenarz T, Lesinski-Schiedat A. Cochlea implantation in patients with superficial hemosiderosis. Eur Arch Otorhinolaryngol 2022;279[9]:4363-70. Creative Commons Attribution 4.0 International [CC BY 4.0] license, creativecommons.org/licenses/by/4.0.)