BACKGROUND AND PURPOSE Comprehensive diagnostic criteria encompassing the varied clinical and radiographic manifestations of spontaneous intracranial hypotension are not available. Therefore, we propose a new set of diagnostic criteria. MATERIALS AND METHODS The diagnostic criteria are based on results of brain and spine imaging, clinical manifestations, results of lumbar puncture, and respon...

Abstract The hallmark symptom of spontaneous intracranial hypotension (SIH) is orthostatic headaches which manifests secondary to cerebrospinal fluid (CSF) hypovolaemia. Well-recognised aetiologies include trauma includes procedures such as lumbar punctures and spinal surgery. More recently, structural defects bony osteophytes calcified or herniated discs have been attributed mechanically compr...