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  • Title: Prevalence of dysplasia in juvenile-onset recurrent respiratory papillomatosis.
    Author: Sajan JA, Kerschner JE, Merati AL, Osipov V, Szabo S, Blumin JH.
    Journal: Arch Otolaryngol Head Neck Surg; 2010 Jan; 136(1):7-11. PubMed ID: 20083770.
    Abstract:
    OBJECTIVES: To quantify the prevalence of dysplasia and to evaluate the impact of use of cidofovir in recurrent respiratory papilloma biopsy specimens obtained from a pediatric population. DESIGN: Retrospective review of patient medical records and histopathologic test results from January 1, 1998, through December 31, 2008. SETTING: Children's Hospital of Wisconsin. PATIENTS: Patients with a history of operation treated for recurrent respiratory papillomatosis. MAIN OUTCOME MEASURES: The presence or absence of dysplasia identified in a papilloma specimen and patient characteristics, such as age of initial presentation, number of operations, tobacco exposure, treatment for reflux, and use of cidofovir, were quantified. RESULTS: Treatment for recurrent respiratory papillomatosis was identified in 21 patients. Age at initial diagnosis ranged from 8 months to 14 years. A total of 123 recurrent respiratory papillomatosis specimens in 20 patients were identified. Dysplasia was seen in less than 1% of samples (1/123), which represents 5% of total patients. Seven patients (35%) received cidofovir treatment and none of them developed dysplasia. These data demonstrate a lack of correlation between cidofovir treatment and dysplasia, with the P value being nonsignificant (Fisher exact test, P=.4). CONCLUSION: Dysplasia is a rare event in pediatric recurrent respiratory papillomatosis, and there does not appear to be an association between the use of cidofovir and dysplastic changes.
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