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胃肠间质瘤免疫组织化学特征及临床诊治
引用本文:胡达水,胡海,万志刚.胃肠间质瘤免疫组织化学特征及临床诊治[J].实用临床医学(江西),2009,10(5):11-13.
作者姓名:胡达水  胡海  万志刚
作者单位:南昌市第三医院普外科,南昌,330009 
摘    要:目的探讨胃肠间质瘤(GIST)的免疫组织化学特征,总结胃肠间质瘤的临床诊治方法。方法应用免疫组织化学SP法对32例GIST进行标记,观察CD117、CD34、vimentin的表达,回顾性分析不同手术方式,及术后是否应用格列卫对患者生存的影响。结果32例GIST中,CD117阳性率为84.4%(27/32)、CD34阳性率为78.1%(25/32例)、vimentin的阳性率为18.7%(6/32),而在CD117阴性中,vimentin的阳性率为40.0%(2/5);行完全切除者21例,5年生存率为61.9%(13/21),复发率为33.3%(7/21),而11例不完全切除者5年生存率为27.3%(3/11),复发率为45.0%(5/11),两者差异有显著性(P〈0.05);12例术后服用格列卫者5年复发率为25.0%(3/12),其中3例未能坚持服用格列卫者5年复发率为33.3%(1/3),20例未服用格列者复发率为40.0%(8/20),两者差异有显著性(P〈0.05)。结论联合检测CD117、CD34、vimentin有利提高胃肠间质瘤的诊断率;完全切除肿瘤可提高患者的生存期和降低肿瘤的复发率;正规服用格列卫可降低胃肠间质瘤的复发率。

关 键 词:胃肠间质瘤  病理  治疗

The Immunohisochemical Characteristics and the Clincal Treatment of Gastrointestinal Stromal Tumors
HU Da-shui,HU Hai,WAN Zhi-gang.The Immunohisochemical Characteristics and the Clincal Treatment of Gastrointestinal Stromal Tumors[J].Practical Clinical Medicine,2009,10(5):11-13.
Authors:HU Da-shui  HU Hai  WAN Zhi-gang
Institution:(Department of General Surgery, the Third Hospital of Nanchang, Nanchang 330009, China)
Abstract:Objective To explore the immunohistochemical characteristics of gastrointestinal stromal tumors(GIST),and summarized the clinical diagnosis and treatment of GIST. Methods The expression of CD117, CD34 and vimentin was studied by immunohistochemistry method. Ret- rospective analysis the role of different surgical methods,and whether the application of imatinib postoperative in GIST. Results Of the 32 patients,the positive rates of CD117,CD34,and vimentin were 84.4%(27/32) ,78.1%(25/32) and 18.7%(6/32) respectively. The positive rate of vimentin was 40.0%(2/5) in the case CD117 is negative;The five years survival and recurrence rate in those who total resection (n=21) is 61.9%(13/21) and 33.3%(7/21),but in imperfection resection(n=11) is 27.3% (3/11) and 45.0% (5/11) (P〈0.05) ; The recurrence rate of patients taking imatinib (n = 12), not taking imatinib (n = 20) and no-persistent taking imatinib (n = 3) were 25.0%(3/12);40.0%(8/20);33.3%(1/3). Conclusion Combine detect CD117,CD34,and vimentin is useful to improve the diagnosis rate of GIST;Total resection can increase the survival rate and decrease the recurrence rate;also take imatinib regularity can decrease the recurrence rate with GIST.
Keywords:gastrointestinal stromal tumors  pathology  treatment
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