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February 1982

Posttraumatic Anosmia

Author Affiliations

From the Department of Otorhinolaryngology, Kanto Rosai Hospital, Kawasaki, Japan.

Arch Otolaryngol. 1982;108(2):90-92. doi:10.1001/archotol.1982.00790500026006

• Two hundred twelve patients with traumatic anosmia had been seen at a clinic during the past 16 years. Sequelae of olfactory disorders were observed in 212 (4.2%) of the 5,000 cases seen that involved head and face injuries. The two most severe olfactory disorders were anosmia in 154 (72.6%) cases and hyposmia in 58 (27.4%) cases. The most frequent trauma site was the occipital region followed by the facial and frontal regions. Follow-up investigative results revealed olfactory improvement in eight (14%) of 56 cases. Six (10%) of the 56 cases prompted an aggravation of the olfactory problem. The fragmentation of olfactory nerve fibers appeared to be the most frequent cause of the anosmia after head injury.

(Arch Otolaryngol 1982;108:90-92)