[Non-traumatic nasal cerebrospinal rhinorrhea]

Non-traumatic rhinorrhoea of CSF occurs much less frequently than traumatic ones. The most frequent causes of this rhinorrhoea are congenital abnormalities of the cranial bass. Non-traumatic rhinorrhoea with normal cerebrospinal fluid pressure and those with raised CSF pressure are known. In the latter rhinorrhoea is one of the signs of a disease causing CSF pressure rise. In view of the rare occurrence of nontraumatic rhinorrhoea 6 cases are reported which were treated in the years 1986-1993 in the Neurosurgery Department, Medical Academy in Warsaw.