Cerebrospinal fluid (CSF) rhinorrhea occurs in 2% of patients with head trauma and is known to occur in 12% to 30% of the skull base fracture. Continuous CSF rhinorrhea may cause several complications including headache, pneumocephalus, and bacterial meningitis. The incidence of meningitis increases as the period of the CSF rhinorrhea increased and it is known that mortality in 4% of patients with meningitis. The surgical treatment is necessary if the CSF rhinorrhea persists or meningitis occurs. CSF leakage can be repaired intracranially or extracranially. Extracranial approaches are subdivided into extranasal and intranasal. Recent advance in nasal endoscopy and its advantage of low morbidity allow more surgeons to perform the intranasal approach using endoscope. As graft materials, free or rotational flaps of temporalis muscle fascia, muscle, fat, and mucosa or mucoperiosteum in the nasal septum or turbinates have widely been used. Recently, synthetic materials have been tried for repair of CSF leakage. We report a case of improving post-traumatic CSF rhinorrhea with sphenoid sinus fracture obliterated with polyethylene glycol.
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