Microsatellite analysis showed that both loss of heterozygosity and microsatellite instability of FHIT gene existed in laryngeal carcinoma and the former was more common.

• 微卫星多态分析表明，FHIT基因在喉癌中既存在杂合性丢失，又存在微卫星不稳定现象，但以前者为主。