[Discharge of cerebrospinal fluid through the nose. Common etiologies include trauma, neoplasms, and prior surgery, although the condition may occur spontaneously. (Otolaryngol Head Neck Surg 1997 Apr;116(4):442-9) ( MSH )]
UMLS (ICD9CM) C0007815 Relation/PAR: Craniocerebral Trauma
neural manifestation