复发性喉乳头状瘤病（RLP）乃儿童最常见的喉“新生物”，好生于漏斗状的喉人口部，致声嘶和气道阻塞，切除后常迅速复发，多次复发后可自行缓解，在其生长活跃期时疗效很差，可因阻塞气道或向下扩散而需行气管切开术，但手术又可促进扩散，仍有恶变。经电镜、免疫细胞化学和So Recurrent laryngeal papillomatosis (RLP) is the most common laryngeal “neoplasm” in children. It is well-developed in the funnel-shaped laryngeal mouth, causing hoarseness and airway obstruction. It often recurrent rapidly after resection and can be relieved by multiple relapse , In its active growth period when the curative effect is poor, may need to tracheotomy due to obstruction of the airway or down diffusion, but surgery can promote proliferation, there are still malignant. Electron microscopy, immunocytochemistry and So