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  • Title: [The influence of tree pollen on the adenoid size in children with periodic (seasonal) allergic rhinitis].
    Author: Modrzyński M, Zawisza E.
    Journal: Otolaryngol Pol; 2006; 60(5):709-16. PubMed ID: 17263243.
    Abstract:
    INTRODUCTION: Allergic sensitization of the airways occurs not only in the mucosa of the shock organ, but also in the lymphatic stations draining these structures. The lymphatic structure closest to the nasal mucosa in humans is the adenoid. Many researches show that in part of children allergic rhinitis can be a risk factor for adenoid hypertrophy. MATERIAL AND METHODS: We used acoustic rhinometry and endoscopy to evaluate the influence of the birch pollination on the adenoid size in 67 children between 5 and 12 years old. Four separate groups of children were examined. The study group consisted of 28 children hypersensitive to tree pollen with seasonal allergic rhinitis (interview, positive skin-prick test results, presence of sIgE in the serum and positive nasal provocation test with birch pollen allergens). The first control group consisted of 14 atopic children hypersensitive to motherwort pollen. The second control group consisted of 15 non-atopic children. The third control group consisted of 10 children hypersensitive to tree pollen, they have got antiallergic treatment (topical nasal steroid and antihistaminic) a week before birch pollination. In all of the groups the adenoid size was examined before, during and after birch pollination. In the study group we examined the influence of specific nasal provocation test on the adenoid size too. RESULTS: In most children from the study group (71.4%) we observed the significant increase of adenoid size in endoscopic examination and decrease of nasopharyngeal cavity volume in acoustics rhinometry (92.9%) during the birch pollination. The changes returned after pollination period in most children (90%). In the first and the second control group there were almost no changes observed (p > 0.05). The medical treatment used in the third control group avoided the increase of adenoid size during birch pollination season. In the study group there was no statistically significant correlation between the changes in nasopharyngeal volume during the pollination period and the results of nasal provocation test (r = 0.18). CONCLUSION: The result of our study suggests that in children with seasonal allergic rhinitis the exposure on the allergenic factor can influence the adenoid size. Properly administered nasal glucocorticoid together with antihistaminic in standard doses can probably avoid this effect.
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