摘要
目的探讨肝脏原发性胃肠道间质瘤的影像表现及临床特征。方法回顾性分析经病理证实的7例肝脏原发性胃肠道间质瘤患者的影像表现及临床特征。结果 7例患者中,多发病灶4例,单发病灶3例;病灶大小不等,多为囊实性;4例边界清楚,3例边界不清,7例病灶中心有坏死区;7例CT检查,平扫均为囊实性稍低密度影;增强扫描,4例为动脉期实性部分明显强化,门静脉期及延迟期持续性强化,3例为动脉期明显强化,门静脉期减低;1例患者行MRI检查,病变表现为不均匀长T1、长T2信号,边界欠清,DWI实性部分呈稍高信号,ADC实性部分信号减低;3例超声检查,1例为实质内稍高回声,内回声欠均匀,CDFI:内未见明显血流信号;2例为肝内实性稍低回声,内回声欠均匀,CDFI:实性部分可见少量血流信号。结论肝脏原发性胃肠道间质瘤是间质瘤的罕见发病部位,单发、多发均可见,临床表现不典型,多数有腹痛,影像学有一定的特征性表现,但特异性不高,确诊依靠病理及免疫组织化学检查。
Objective To investigate the imaging manifestations and clinical features of primary gastrointestinal stromal tumors of the liver. Methods The imaging manifestations and clinical features of 7 patients with primary livergastrointestinal stromal tumor confirmed by pathology were analyzed retrospectively. Results Among the 7 cases, 4 cases were uncountable lesions, and 3 cases were asinglelesion, most of them were cystic-solid nodules of different size, 4 cases had clear boundary, 3 cases had unclear boundary, 7 cases had necrotic area in the center of the lesion.On CT,all the lesions showed cystic-solid low-density shadow, and after enhancement, 4 cases showed obvious enhancement of solid part in arterial phase and persistent enhancement in portal phase and delayed phase, 3 cases showed obvious enhancement in arterial phase and decreased in portal phase.On MRI,the lesion showed inhomogeneous long T1 and long T2 signal;the solid part of DWI showed slightly high signal intensity, and the solid part of ADC decreased signal intensity.On US,1 cases showed hyperechogenic in liver organ without blood flow signal in CDFI;2 cases showed hypoechogenic in liver with blood flow signa CDFI. Conclusion Primary gastrointestinal stromal tumor of the liver is a rare site of gastrointestinal stromal tumor, both single and multiple, The clinical manifestations are not typical;Most of them have abdominal pain.And the imaging features are not high, but the specificity is not high.The diagnosis depends on pathological and immunohistochemical examination.
作者
高国超
詹鹤凤
岳松伟
高剑波
GAO Guochao;ZHAN Hefeng;YUE Songwei(Department of Radiology,the First Affiliated Hospital of Zhengzhou University,Zhengzhou,Henan Province 450052,P.R.China)
出处
《临床放射学杂志》
北大核心
2021年第9期1741-1745,共5页
Journal of Clinical Radiology
关键词
肝脏原发性胃肠道间质瘤
影像学表现
临床特点
Primary gastrointestinal stromal tumor ofthe liver
Imaging findings
Clinical features
