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자료유형
학술저널
저자정보
저널정보
대한이비인후과학회 대한이비인후-두경부외과학회지 대한이비인후과학회지 두경부외과학 제46권 제8호
발행연도
2003.1
수록면
669 - 676 (8page)

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Background and Objectives:infection. We aimed to investigate the role of Epstein-Barr virus (EBV) as a pathogen in chronic tonsillitis and tonsillar hyper-trophy. Materials and Method:Eighty four tonsil specimens from 84 patients with chronic tonsillitis or tonsillar hypertrophy were investigated with in situ hybridization for EBV and imunohistochemical staining for late membrane protein 1 (LMP1) and CD21. Correlation betwen EBV positivity/density (graded as a scale from 0 to 3) and clinical parameters was investigated. Results:EBV-encoded small nuclear RNA (EBER) positive lymphocytes were found in the interfollicular zone of tonsils in 66 cases (79% ) out of 84 tonsils, whereas surface epithelial cells were negative for EBV. Cases of the higher EBV density had sig-nificantly larger tonsils than those of the lower EBV density with statistical significance (p<.01), and the higher density (grade 2, 3) was more frequently observed in the male tonsils than in female ones (20 vs. 8, p<.05). LMP1 was observed in only five Conclusion:This study demonstrates that EBV resides in the tonsillar lymphocytes of most patients with chronic tonsillitis in Korea and might contribute to the tonsillar hypertrophy. The very low incidence of LMP1 positivity sugests that EBV-infected tonsillar lymphocytes may maintain type 1 latency and have relatively low risk of cellular transformation. (Korean J Otolaryngol 2003 ;46 :669-76)

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