This indicating that Blom-Singer technique was the best choice for voice rehabilitation in complicated and difficult cases. Meanwhile,carefully and actively looking for the reason of dysphonia and properly training the patients was importance.

• 提示对复杂疑难病例进行发音重建；Blom-Singer技术为最佳选择方法之一；但在重建过程中应细致寻找短暂发音障碍原因；以正确指导患者训练发音.