AIM:To investigate the expression of Bak promoting the apoptosis and Bcl-xl inhibiting the apoptosis in laryngeal squamous cell carcinoma and to elucidate the relation of the expression of them to the pathogenesis and prognosis of carcinoma of larynx.

• 目的:探讨促凋亡基因Bak和凋亡抑制基因Bcl-xl在喉鳞状细胞癌中的表达,及其与喉癌发生和预后的关系。