In a previous communication, one of the authors discussed prolonged congestion of the turbinates following nasal surgery. The clinical factors responsible were allergy or the traumatic effects of nasal packing on the turbinates. A study of turbinate function was done to find the factor responsible for this congestion. Biopsies of an inferior turbinate were obtained preoperatively and two weeks after surgery. The specimens were examined for the level of acetylcholinesterase by histochemical assay and were also studied by examining sections histologically. In the majority of cases, the level of acetylcholinesterase fell with the appearance of congestion and rose when the turbinates returned to normal. These results suggest a connection between turbinate congestion and levels of tissue acetylcholinesterase in the presence of inflammation or allergy.
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