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总结天津市肿瘤医院2000年-2002年收治的8例胃肠间质肿瘤(GIST)的组织病理学和临床特点。GIST在病理形态上表现为多样性,免疫组化可以有效帮助其诊断和鉴别诊断。GIST的临床表现和影像学检查缺乏特异性。常导致就医时病期较晚。完整手术切除可获得较好的临床疗效,仍然是肿瘤治愈的惟一机会。 相似文献
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胃肠间质瘤外科治疗共识 总被引:1,自引:0,他引:1
《中华肿瘤杂志》2007,29(12):947-948
胃肠间质瘤(GIST)的诊断和术前评估主要依靠钡餐、超声、内窥镜、内镜超声、CT和MRI等,这些方法均能对肿瘤的大小和部位得出比较正确的判断,其中CT能更好地了解肿瘤与周围组织器官的关系,通常用来判断肿瘤的可切除性及转移与否。对于已知或可疑的发生于直肠的GIST,与CT扫描比较,MRI能为手术前的临床分期提供更好的信息。当 相似文献
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1 临床资料
患者,女,59岁,孕5产1,绝经9年.2004年11月16日曾因阴道后壁包块在我院行阴道肿物剥除术,术后病理诊断:(阴道后壁)平滑肌瘤.术后恢复好.4月前又发现阴道后壁包块,伴大便变细及下腹坠胀感,1月前出现小便不畅,下腹坠胀感加重,于2008年10月7日收入院.妇科检查:阴道后壁有一5cm×5 cm×4 cm大小肿物,表面光滑,边界不清,质软,活动性差,触痛明显.子宫及双侧附件无异常.阴道B超及CT均提示:阴道后壁一大小5.1 cm×5cm×4.5 cm低回声包块,边界不清.于2008年10月22日行阴道壁肿瘤切除术. 相似文献
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31例胃肠间质瘤临床分析 总被引:1,自引:0,他引:1
[目的]探讨胃肠间质瘤的临床诊断、治疗和预后。[方法]回顾性分析31例胃肠间质瘤临床和病理资料。[结果]根据Fletcher风险分级,极低风险3例,低风险5例,中风险15例,高风险8例。CD117、CD34、Desmin、SMA、S-100蛋白阳性表达率分别为94%、87%、39%、35%、26%,其阳性表达率与肿瘤危险程度无关(P〉0.05)。肿瘤是否浸润黏膜肌层或浆膜层与肿瘤危险程度相关(P〈0.05)。中、高风险程度者复发率26.0%.明显高于极低和低风险者(P〈0.001)。[结论]用Fletcher分级对胃肠间质瘤分级评价更为科学合理。肿瘤浸润黏膜肌层或浆膜层是肿瘤危险的重要指标。 相似文献
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[目的]探讨胃肠间质瘤伴癌的临床病理特征及免疫组化特点.[方法]对8例胃肠间质瘤伴癌的临床及病理资料进行复习,应用免疫组化sP法染色观察其免疫表型.[结果]8例消化道恶性肿瘤患者中高分化2例,中分化2例,低分化4例.胃肠间质瘤细胞形态;上皮细胞型、梭形细胞型及混合细胞型.免疫表型:8例CD34表达均阳性.6例CD117阳性,4例SMA阳性.4例S-100阳性.3例Desmin阳性.[结论]胃肠间质瘤和消化道恶性肿瘤同时发生非常少见,多在手术过程中或术后病检发现.应特别注意术中探查,考虑该病例的多样性和GIST的特殊性,防止漏诊、漏治. 相似文献
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目的探讨胃间质瘤(GISTs)临床病理学特征与预后的相关性。方法回顾性对36例胃GISTs的临床病理及随访资料进行分析,并采用免疫组织化学方法(SP法)检测CD117,CD34,SMA(平滑肌肌动蛋白),S-100蛋白及Ki-67蛋白等抗体在肿瘤中的表达.结果很低度、低度、中度及高度侵袭危险性病例数分别为4例、18例、10例及4例;免疫组织化学显示很低、低度、中度及高度侵袭危险组中的ki-67标记指数分别为(6.2±2.2)%(、8.6±3.5)%、(18.0±7.6)%及(25.0±8.6)%,标记指数相互比较均存在着非常显著性差异(P<0.01),其它抗体在各组中的表达无明显差异。随访的28例病例中6例出现复发和转移,且均为中、高度侵袭危险病例。结论胃GISTs临床病理的分级及Ki-67标记指数的测定有助于临床预后的判断。 相似文献
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Gastrointestinal stromal tumors (GISTs) are rare abdominal tumors which arise from the interstitial cells of Cajal in the gastrointestinal tract. Gastric GISTs are the most commonly seen GIST tumors and may grow to a very large size. They are often associated with abdominal pain, anorexia and weight loss. Most of them can be detected by CT. These tumors have been found to harbor mutations in CD117 which causes constitutional activation of the tyrosine kinase signaling pathway and is considered to be pathognomic. Tyrosine kinase inhibitors such as imatinib have revolutionized the treatment of these tumors, which are otherwise resistant to conventional chemotherapy and radiotherapy. Although surgical resection is the mainstay of treatment, tyrosine kinase inhibitors have been useful in prolonging the recurrence-free survival of these patients. Resistance to imatinib has been reported in GISTs with specific mutations. We present a case of gastric GIST which grew to a very large size and was associated with abdominal pain and weight loss. It was successfully resected and the patient was commenced on imatinib therapy.Key words: Gastrointestinal stromal tumor, Abdominal tumor, CD117, Rare tumor, Size, Gastric tumor 相似文献
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[目的]探讨胃肠道间质瘤(GIST)的免疫组织化学特点及组织分型。[方法]采用微波修复抗原及免疫组织化学SP法检测34例胃肠道间质瘤患者CD34、CD117、vimentin、desmin、SMA、MSA、S-100蛋白、NSE、NF的表达,并结合随访资料,对其生物学行为进行分析。[结果]34例GIST中良性11例、恶性11例及交界性12例。免疫组化染色证实:CD117和CD34多为弥漫强阳性,阳性率分别为100%(34例)和82.4%(28例),vimentin、desmin、SMA、MSA、S-100蛋白、NSE及NF呈片状或局灶阳性,阳性率分别为52.9%(18例)、26.5%(9例)、29.4%(10例)、20.6%(7例)、32.4%(11例)、20.6%(7例)、38.2%(13例)。随访11例恶性组中有3例复发,5例死亡,其平均核分裂数13个/10HPF。[结论]GIST为起源于胃肠道肌层的最常见间叶性肿瘤,免疫组织化学特征为CD117、CD34阳性,免疫组化证实仅有部分肿瘤具有不完全的平滑肌、神经或双向分化特征。 相似文献
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原发性睾丸淋巴瘤(primary testicular lymphoma,PTL)由Malassez于1877年首次报道,是一类罕见的睾丸恶性肿瘤,发病率约为0.26/10万[1].我科收治1例PTL患者,报道如下.
1 临床资料
患者,男性,55岁,以"左侧睾丸无痛性肿大1个月"为主诉住院治疗.该患者1个月前无明显诱因出现左侧睾丸无痛性肿大,伴坠胀略不适感,无尿路刺激症状及肉眼血尿,无排尿困难,无阴囊潮湿,行阴囊彩超检查发现左侧睾丸实性占位性病变,精神食欲良好,无明显消瘦,二便正常.专科查体:全身浅表淋巴结未触及肿大,肾区叩击痛阴性,双侧输尿管走行区压痛阴性,耻骨上区压痛阴性,叩痛阴性,外生殖器发育正常,左侧精索增粗,左侧睾丸增大,约5cm×4cm×3.5cm,质地较硬,表面欠光滑,无触痛,透光试验阴性.辅助检查:前列腺特异性抗原(PSA)、β-绒毛膜促性腺激素(β-HCG)、甲胎蛋白(AFP)化验正常. 相似文献
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《Journal of chemotherapy (Florence, Italy)》2013,25(5):422-424
AbstractThis paper describes a rare occurrence of primary lymphoma of the liver in a young female and demonstrates the possibility of making the correct diagnosis by ultrasonically guided fine needle aspiration biopsy. A 32-year old female suffering from upper abdominal pain, hepatomegaly, nausea, anorexia and weight loss for almost 2 months was admitted to our Department. After a clinical and instrumental (lab exams, ultrasonography, computed tomography) evaluation, we reached the correct diagnosis of hepatic primary non-Hodgkin's lymphoma by means of ultrasonically guided fine needle aspiration biopsy. Two weeks after hospitalization the patient was treated with 8 cycles of CHOP chemotherapy and then with α-2b interferon immunotherapy. The hepatic ultrasonography and CT abdominal scan showed the complete absence of the lym-phomatous lesions 36 months later. Up to February 1998, the patient was well and led a normal life. We conclude that the CHOP chemotherapy plus interferon immunotherapy were effective and well tolerated with a complete response 38 months following diagnosis. 相似文献