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[Spinal Cerebrospinal Fluid Leak: Current Concepts and Management Policies].

In this article we provide an update on the recent developments in understanding the diagnosis and treatment of spinal cerebrospinal fluid(CSF)leaks. Patients with spinal CSF leak show an increasingly broad spectrum of clinical presentations including intractable whiplash-associated disorder(WAD)and orthostatic dysregulation in childhood, in addition to classical spontaneous intracranial hypotension(SIH). A simple understanding of the condition defined by the presence of low CSF pressure is no longer sufficient or accurate. Fat-suppressed T2-weighted magnetic resonance images and continuous epidural fluid infusion as a diagnostic therapy ensure accurate diagnosis. Accurate localization of the leak followed by targeted epidural blood patch(EBP)significantly improves the outcome of patients with spinal CSF leak. In addition to the known sites of CSF leakage, a newly identified CSF leak site, at the craniovertebral junction dural entry point of the vertebral artery(VA), is described.