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Cerebral venous sinus thrombosis secondary to otomastoiditis
  1. Mauricio F Villamar,
  2. Jessica D Lee
  1. Department of Neurology, University of Kentucky, Lexington, Kentucky, USA
  1. Correspondence to Dr Mauricio F Villamar, Department of Neurology, University of Kentucky, 740 South Limestone St, Kentucky Clinic—J464, Lexington, KY 40536-0284, USA; mvillamar{at}

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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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