title: CSF leaks and cysts in the nose or sinuses.
mesh_terms: D002559:Cerebrospinal Fluid Rhinorrhea / Q000150:complications*; D003560:Cysts / Q000209:etiology*; D006801:Humans; D009078:Mucocele / Q000209:etiology; D010254:Paranasal Sinus Diseases / Q000209:etiology*