Cerebrospinal fluid (CSF) leak at the lumbar puncture (LP) site may induce intracranial hypotension, a common cause of post-LP headache (LPH). We present the case of an 18-year-old man who developed a severe and continuous positional headache 24 hours after LP. CT scan and MRI showed abnormal, intense, dural venous sinus enhancement, indicating a compensatory venous expansion. The patient recov...
