Association between the morphological classification and prognosis of conservative treatment for vocal fold leukoplakia
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摘要: 目的:探讨声带白斑形态分型与选择性保守治疗预后的相关性。方法:对不同形态分型的声带白斑患者先进行保守治疗,其中保守治疗未治愈及治愈后复发者采用CO2激光手术切除治疗,回顾性分析三种形态分型声带白斑患者的疗效。结果:236例声带白斑包括78例平坦光滑型,146例隆起光滑型和12例粗糙型,保守治疗的治愈率分别为80.8%、65.1%和0%(P<0.01),其中158例获得治愈的患者1年内复发率为10.1%(平坦光滑型与隆起光滑型的复发率分别为6.3%和12.6%,P=0.283)。78例保守治疗未治愈及16例治愈后复发的声带白斑患者行CO2激光切除术,其中平坦光滑型、隆起光滑型和粗糙型声带白斑患者的治愈率分别为89.5%、85.7%和75.0%(P=0.53);三组声带白斑病理构成均存在显著差异。平坦光滑型、隆起光滑型和粗糙型声带白斑患者经保守治疗结合手术治疗的治愈率分别为97.4%、93.8%和75.0%,其中平坦光滑型的治愈率显著高于粗糙型(P=0.002)。结论:声带白斑的形态分型可作为选择性保守治疗的依据,选择性保守治疗结合手术治疗并不影响声带白斑的预后。Abstract: Objective: To explore the association between the morphological classification and prognosis of conservative treatment for vocal fold leukoplakia. Method: Patients with different types of vocal fold leukoplakia received conservative treatment first. Those who had failed response to conservative treatment or recurred received carbon dioxide laser resection. Then the efficacy and recurrence rate were compared among the three types of vocal fold leukoplakia. Result: Two hundred and thirty-six patients consisted of 78 flat and smooth cases, 146 bulge and smooth cases, and 12 rough cases. The complete response rate of conservative treatment for the three types was 80.8%, 65.1%, and 0%, respectively (P<0.01). Out of 158 patients who had complete response to conservative treatment, 10.1% cases recurred in 1 year (flat and smooth vs. bulge and smooth, 6.3% vs. 12.6%, P=0.283). Totally, 78 patients had no complete response to conservative treatment and 16 patients experienced recurrence, whose complete response rate of carbon dioxide resection was 89.5%, 85.7%, and 75.0%, respectively (P=0.53). The pathological results were significantly different among three types. The complete response rate of conservative treatment combined with surgery for three types was 97.4%, 93.8%, and 75.0%, respectively, and the complete response rate of flat and smooth type was significantly higher than that of rough type (P=0.002). Conclusion: The Conservative treatment could be based on the morphological classification of vocal fold leukoplakia. The treatment modality that conservative treatment combined with surgery had no impact on the prognosis of vocal fold leukoplakia.
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