摘要
目的:探讨K-ras 基因突变检测用于癌性胸腔积液的诊断价值。方法:采用PCR- SSCP技术对58 例癌性及30 例结核性胸腔积液进行K-ras 基因突变分析。结果:结核性胸液未发现突变,癌性胸液有17 例突变阳性,突变率29-3 % ,其中腺癌所致胸腔积液突变率为34-1% (14/21),鳞癌16-7 %(2/12)。17 例K-ras 基因突变阳性的胸液中,14 例为肉眼血性,明显高于非血性胸液组,P< 0-05。18 例未找到原发病灶的胸液中44-4% K- ras 基因突变阳性。49 例患者随访10 个月,K-ras 基因突变阳性者死亡率高达80-0 % ,而无K-ras 基因突变者死亡率明显降低,为26-5 % ,P< 0-05 。结论:K-ras 基因突变检测是诊断癌性胸腔积液的又一有效手段,在某些情况下显示出特有的优势,并且对预后的判断有一定价值。
To evaluate the diagnostic value of the point mutation of K-ras oncogene in malignant pleural effusion,we detected K-ras codon 12,13 mutations in 58 patients with malignant pleural effusion,30 patients with tuberculous pleurisy by polymerase chain reaciton-single strand comformation polymorphisms(PCR-SSCP).We found that K-ras mutation rates were 29.3%(17/58) in the patients with malignant pleural effusion,none positive case in tuberculous pleurisy.Mutations occured in 14 of 41 cases (34.1%) of adenocarcinoma, 2 of 12 squamous cell carcinoma(16.7%).Among 58 patients with malignant pleural effusion,only 49 patients can be traced during 10 months.The mortality was 80.0%(12/15) in the patients with K-ras mutation, significantly higher than 26.5%(9/34) in the cases with negative K-ras mutation( P <0.05).It suggests that K-ras mutation may be a prognostic mark for the patients with malignant pleural effusion.
出处
《中国现代医学杂志》
CAS
CSCD
1999年第11期5-6,共2页
China Journal of Modern Medicine