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A 64-year-old man with chronic sinusitis and frequent antibiotic use failed a visual acuity examination. Funduscopy showed right papilloedema. There was tenderness to palpation over the right mastoid. Physical examination was otherwise normal.
T2-weighted MRI of the brain demonstrated right otomastoiditis (figure 1A). Post-gadolinium T1-weighted MRI showed extensive right-sided dural enhancement (figure 1B). MR venogram of the head revealed cerebral venous sinus thrombosis (CVST) involving the superior sagittal sinus (figure …
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Contributors MFV: case concept and design, acquisition of data, interpretation of data, manuscript writing. JDL: case concept and design, interpretation of data, critical revision of manuscript for intellectual content.
Competing interests None declared.
Patient consent Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.
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