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KMID : 1035620220100010045
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Allergy Asthma & Respiratory Disease
2022 Volume.10 No. 1 p.45 ~ p.49
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Intravenous cidofovir as an adjuvant therapy for recurrent upper airway papillomatosis with lung involvement in a child
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Won Ju-Yeon
Kim Su-Kyung
Son Young-Ik
Cho Jong-Ho
Jeon Tae-Yeon
Han Joung-Ho
Kim Yae-Jean
Lee Ji-Won
Kim Ji-Hyun
Ahn Kang-Mo
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Abstract
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Recurrent respiratory papillomatosis (RRP) is a chronic disease related to human papillomavirus infection. The standard treatment of RRP is surgical resection of the lesion, but due to frequent recurrence, a combination of various adjuvant therapies has been attempted. Herein, we present the first case of RRP to whom intravenous cidofovir was administered as an adjuvant therapy in Korea. A 9-year-old boy was admitted due to hoarseness, stridor and breathing difficulty. At 10 months of age, he was diagnosed with RRP in the upper airway and thereafter he had repeatedly undergone surgical removal. During this hospitalization, papilloma was found again from the superior glottis to the inferior glottis and surrounding the trachea at the age of 9 years. In addition, well-defined nodular lesions were newly found on both lung fields, and a pathologic examination revealed a squamous papilloma with high-grade dysplasia, human papilloma virus types 6, 11, and 40 (low-risk type). Because of the frequent recurrence of papilloma in the upper airway as well as lung involvement, he underwent 38 injections of intravenous cidofovir for 2 years. During treatment, the intervals required for surgical removal of the mass causing upper airway obstruction were prolonged from an average of 37.3 to 74.6 days without serious side effects. However, intravenous cidofovir treatment had no effect on the lung lesion. This case shows that an intravenous cidofovir administration can be used as an adjuvant therapy in a child with RRP to relieve the upper airway obstruction, although this treatment does not cure the disease.
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KEYWORD
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Recurrent respiratory papillomatosis, Cidofovir, Airway obstruction
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