Abstract
Cerebral venous sinus thrombosis (CVST) is a rare and potentially fatal condition. It is believed to be one of the rare complications of lumbar puncture (LP), however other causes and risk factors should be considered and ruled out. Diagnosis can be challenging after an LP as it can mimic low pressure or post dural puncture. We present a 23-year-old patient diagnosed with CVST following a diagnostic lumbar puncture, in the absence of other risk factors. The patient presented with a persistent headache that was initially attributed to low CSF pressure, as well as a transient episode of right hemi-body paresthesia. Neuroimaging including contrasted MRI with venography confirmed the diagnosis. The patient had negative hypercoagulable evaluation and was placed on anticoagulation on discharge. Our report highlights the importance of considering CVST in refractory headaches after LP and the value of neuroimaging when indicated.
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