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A 30-year-old man presented to our emergency department because of severe headache. He had neck stiffness and posterior fossa headache for 2 months. His headache worsened on upright position and improved on recumbent position. He denied any experience of head trauma, fever or any medical procedure in recent months. He maintained follow-up at a neurological outpatient department for control of high blood pressure and pain. Before arrival at the emergency …
Competing interests None.
Provenance and peer review Not commissioned; not externally peer reviewed.