【摘要】 胃肠道基质瘤 (GIST)是胃肠道间叶性肿瘤中最常见的类型 ,而早先被认为是胃肠道平滑肌瘤 /平滑肌肉瘤和神经鞘瘤。诊断GIST的措施包括光镜、免疫组织化学、电镜检查。其中 ,免疫组织化学检查是目前正确诊断GIST最主要而简便的方法。阐述了GIST的鉴别诊断。简介了手术前内镜超声引导细针抽吸活体组织检查诊断GIST的价值。更多还原

【Abstract】 Gastrointestinal stromal tumor(GIST),which was previously classified as GI leiomyoma/leiomyosarcoma and schwannoma,is the most common type in mesenchymal tumors of the GI tract.The diagnostic measures of GIST include light microscopy,immunohistochemical staining,and electron microscopy.Among these measures,immunohistochemical staining is the most cardinal and simple method for correct diagnosis of GIST.The differential diagnosis of GIST was elaborated.The values of preoperative diagnosis of GIST by endoscopic ultrasound-guided fine needle aspiration biopsy were introduced.更多还原