Coleman and Troland,3 in 1947, reported three cases of spontaneous cerebrospinal rhinorrhea. An attempt was made to set up as a special entity primary cerebrospinal rhinorrhea, and it was defined as being the discharge of cerebrospinal fluid through the nose that occurs (1) in the absence of trauma, such as acute head injuries, delayed complications of head injuries, fistulas, and operative trauma; (2) in the absence of infection of the bones of the paranasal sinuses; (3) in the absence of tumors eroding the base of the cranium, such as osteoma, pituitary tumors, and meningiomas; (4) in the absence of prolonged increased intracranial pressure from cerebral tumors or hydrocephalus; (5) in the absence of demonstrable congenital defects, such as nasal cephalocele. It was postulated that this type of rhinorrhea occurred in the absence of any known cause. It was felt that the fluid almost certainly escaped along the olfactory fibers.
TROLAND CE. The Surgical Treatment of Spontaneous Cerebrospinal Rhinorrhea. Arch Otolaryngol. 1960;72(2):254–255. doi:10.1001/archotol.1960.00740010259019
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