“…Cerebrospinal Fluid (CSF) is a clear aqueous solution that, compared with plasma, contains higher concentrations of sodium, chloride, and magnesium and lower concentrations of glucose, proteins, amino acids, uric acid, potassium, bicarbonate, calcium, and phosphate. Cerebrospinal fluid (CSF) leak describes the discharge of CSF from the intracranial cavity through an osseous defect(s) within the mucosa, skull base and meningeal membrane [1] .…”