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  • Title: Serial office-based intralesional injection of cidofovir in adult-onset recurrent respiratory papillomatosis.
    Author: Co J, Woo P.
    Journal: Ann Otol Rhinol Laryngol; 2004 Nov; 113(11):859-62. PubMed ID: 15562893.
    Abstract:
    Intralesional injection of cidofovir is used in the treatment of recurrent respiratory papillomatosis as an adjuvant therapy after microsurgical excision and CO2 laser therapy. This is conventionally done in the operating room with the patient under general anesthesia. We report our experience with 5 patients with adult-onset recurrent respiratory papillomatosis who were treated with intralesional injections of cidofovir after recurrence of their papillomatosis. These injections were given monthly in the office without the use of general anesthesia. Before cidofovir injection, all patients required repeated CO2 laser treatments at intervals of less than 5 months. We injected 7.5 mg/mL of cidofovir transorally into the papillomas under office telescopic control. These injections were given monthly for 3 consecutive months. The patients were then followed up for 2 to 10 months after therapy to monitor the size of the papillomas. In all 5 patients, partial remission of the laryngeal papillomatosis was noted during the follow-up period. Their need for repeat microsurgery was delayed, and their vocal function improved. Intralesional injection of cidofovir in an office setting appears to be safe and effective. It might be more convenient and cost-effective than performing the same procedure in the operating room with the patient under general anesthesia.
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