Laryngoscopy revealed vocal fold edema and laryngealstenosis.
喉镜检查显示声带水肿、喉管狭窄；
2
To explore the significance of the change of extracellular matrix in the laryngealstenosis scar by the study of the pathological features of laryngealstenosis scar.
研究喉狭窄瘢痕组织的病理变化，了解细胞外基质的变化及意义。
3
To explore the significance of the expression of inflammation cell in the laryngeal stricture scar by the study of the pathological features of laryngealstenosis scar.