Nasal polypi are tumors originating from the mucous membrane of the nasal cavity. These polypi are true hypertrophies of the mucous membrane of the parts involved and possess the epithelium of their source. The origin of nasal polypi is still undetermined.
Zuckerkandl believes that nasal polypi are the result of an inflammatory process of the nasal mucous membranes. He draws his conclusions from the fact that he has found round cell infiltration in large amounts and free cells in the exudate in even mild cases.
According to Freedman,1 nasal polypi are not new growths, but are a localized edema and prolapse of the nasal mucous membrane, resulting either from infection or from trauma. He believes the polyp to be a symptom of an underlying osteomyelitis or periostitis of the sinus, and substantiates his theory by stating that removal of the nasal polyp will not result in a cure
SCAL JC. NASAL POLYPI: TREATMENT AND PREVENTION OF RECURRENCE. Arch Otolaryngol. 1932;16(2):199–201. doi:10.1001/archotol.1932.00630040208007
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