New-onset headaches, regardless of phenotype, require a thorough diagnostic evaluation that often includes brain MRI.
This report describes a 46-year-old man who presented with a 3-week history of recurrent, stereotyped headaches that closely resembled idiopathic cluster headache. Brain MRI revealed sagittal sinus thrombosis. Within 3 days of initiating treatment with heparin and warfarin, his headaches resolved.
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Myriad secondary causes have been reported to mimic cluster headache. The authors present sagittal sinus thrombosis as yet another potential cluster-headache mimic. They appropriately emphasize the imp…