ABSTRACT INTRODUCTION: Intrathecal fluorescein has been effective for topographic diagnosis of rhinoliquorrhea. Nonetheless. there are no reports on the study of cerebral spinal fluid (CSF) after use of intrathecal fluorescein. OBJECTIVE: A prospective study attempting to evaluate CSF through chemical and cytological analysis. https://www.roamingfreesims.com/product-category/facial-tanner-lamp/