LEAKAGE of cerebrospinal fluid from the nose is by no means a rare sequel of J head trauma. Such a finding is generally regarded as pathognomonic of a communication in the region of the paranasal sinuses or cribriform plate. It is emphasized, with justification, that failure to visualize a fracture line on the roentgenogram does not disprove such a diagnosis.
It has been shown, however, that in rare instances rhinorrhea may result from a communication between the subarachnoid space and the mastoid or middle ear, the fluid passing through the eustachian tube and into the nasopharynx.1 The following case report illustrates this situation and, we believe, offers a means by which it can be recognized.
REPORT OF A CASE
A girl, aged 6, sustained multiple injuries when struck by a car on Nov. 10, 1949. Examination three days following the injury revealed ecchymosis over the right mastoid, paralysis of