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  • Title: Immunopathological characteristics of nasal polyps.
    Author: Jones E, Frenkiel S, Small P, Rochon L.
    Journal: J Otolaryngol; 1987 Feb; 16(1):19-22. PubMed ID: 3550123.
    Abstract:
    The presence of immunoglobulins in nasal polyps and surrounding mucosa was studied by direct immunofluorescence in 14 patients. Specific and total IgE were determined in polyps and in the sera of this group. Significant immunofluorescence to IgE was demonstrated in 12 polyps but in only four samples of adjacent mucosa. Eight polyps showed significant immunofluorescence to IgM. Six patients had elevated total IgE levels within polyp sac fluid in the absence of elevated serum values. In seven cases, specific IgE was found in polyp sac fluid which could not be detected on skin or serum testing. These results may suggest local production of IgE and support the concept of nasal polyps being a manifestation of a local allergic phenomenon.
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