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A man aged 39 years had a 5 month history of headaches, intermittent episodes of blurred vision and worsening vision loss. He also reported mild lower back pain, constipation and erectile dysfunction. On examination, he had papilloedema (Frisen grade 3), decreased visual acuity (limited to hand movements in the right eye and 6/9 in the left) and a peripheral visual field defect. There was also superficial hypoaesthesia in his left leg and an extensor right plantar response.
A CT scan of the head showed optic nerve tortuosity, posterior globe flattening and a partially empty sella turcica. A CT cerebral angiogram was unremarkable. We performed a lumbar puncture followed by a suboccipital puncture due to suspicion of cerebrospinal fluid (CSF) blockage, and CSF results are shown in table 1. MR scan of the brain showed radiological features suggesting elevated intracranial pressure. Susceptibility-weighted images showed diffuse superficial siderosis (figure 1A–C). MR scan of the spinal cord showed a …
Footnotes
Contributors SMG, GASR, AMSF, SLAM, CCS, HBF and EMLO: conceptualisation, data curation,formal analysis, and writing— original draft preparation, review and editing. SMG acts as the guarantor.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; externally reviewed by Ben Wakerley, Birmingham, UK.