Bilateral papilledema and abducens nerve palsy following cerebral venous sinus thrombosis due to Gradenigo's syndrome in a pediatric patient

Purpose: To report a case of bilateral papilledema and abducens nerve palsy following cerebral venous sinus thrombosis in a 9-year-old female with undiagnosed Gradenigo's Syndrome. Observations: The patient presented to our Emergency Room with a unilateral left 6th nerve palsy, left eye relative afferent pupillary defect, and bilateral papilledema. She underwent cranial magnetic resonance imaging with gadolinium contrast and magnetic resonance venography, which diagnosed a left mastoiditis, left sigmoid sinus and jugular vein thrombosis. The patient underwent urgent mastoidectomy and myringotomy with tube placement and was admitted for adequate treatment with intravenous antibiotics and anticoagulants. Conclusions and importance: Gradenigo's syndrome is a rare complication of otitis media, and even rarer is cerebral venous thrombosis. This potentially life-threatening situation requires immediate surgical and antibiotic therapy. Ocular symptoms can be the initial signs of this illness.

Abstract licence: CC BY-NC

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