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Diagnosis of superficial siderosis suggested by CT (2)

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A 69-year-old woman with slowly progressive gait disturbances and hearing impairment. Axial CT image through the T6-T7 disc shows a dural defect just to the right of midline at the level of the spur and further delineates the associated ventral epidural fluid collection. (Source: Bonomo G, Cusin A, Rubiu E, et al. Diagnostic approach, therapeutic strategies, and surgical indications in intradural thoracic disc herniation associated with CSF leak, intracranial hypotension, and CNS superficial siderosis. Neurol Sci 2022;43[7]:4167-73. Creative Commons Attribution 4.0 International [CC BY 4.0] license, creativecommons.org/licenses/by/4.0.)