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一般认为CO_2激光手术是小儿声门下血管瘤最安全有效的治疗措施。关于CO_2激光治疗后喉部疤痕狭窄则报导不多。作者自1975～1984年治疗先天性声门下血管瘤(CSGH)20例,其中6例采用CO_2激光治疗,结果1例发生Ⅲ度喉狭窄。另有2例系在他院采用激光治疗发生Ⅲ度喉狭窄后转来就诊。3例均系女性,出生后3～4周曾因喘鸣和呼吸困难而求治。显微喉镜及支气管镜检查发现2例声门下血管瘤广泛延伸分别达第3
Generally believed that CO_2 laser surgery is the most safe and effective treatment of infantile subglottic hemangiomas. On the CO2 laser laryngeal scar stenosis is not reported. The authors treated 20 cases of congenital subglottic hemangiomas (CSGH) from 1975 to 1984, of which 6 cases were treated with CO_2 laser, and 1 case had grade Ⅲ laryngeal stenosis. Another two cases in his hospital after laser treatment of third degree laryngeal sphincter turned to treatment. 3 cases were female, 3 to 4 weeks after birth had wheezing and breathing difficulties and seek treatment. Microscopic laryngoscopy and bronchoscopy revealed 2 cases of subglottic hemangiomas were widely extended up to 3