摘要
目的分析肝脏淋巴上皮瘤样癌(LELC)的超声造影表现,探讨超声造影对肝脏LELC的诊断价值。方法回顾性分析12例肝脏LELC患者的超声造影图像,观察病灶的增强方式和增强时相。结果对12例患者的12个病灶行超声造影检查,动脉期11个病灶呈整体增强,1个病灶呈环状增强。病灶平均开始增强时间为(17.92±5.81)s,达峰时间为(24.50±5.52)s,出现等回声时间为(29.55±6.25)s,减退时间为(45.50±25.15)s。动脉期11个病灶早于肝实质增强,1个病灶与肝实质同步增强。增强达峰值时,11个病灶的增强强度高于周围肝实质,1个病灶增强强度与周围肝实质相等。门脉期病灶开始减退,8个病灶呈稍低回声表现,3个病灶呈低回声表现,1个病灶呈等回声表现。延迟期10个病灶呈低回声表现,1个病灶呈稍低回声表现。在门脉期和延迟期,10个病灶周边出现高回声环。结论超声造影对肝脏LELC的诊断和鉴别诊断有一定的价值。
Objective To retrospectively analyze the contrast-enhanced ultrasound(CEUS)features of primary hepatic lymphoepithelioma-like carcinoma(LELC)and investigate the value of CEUS in the diagnosis of hepatic LELC.Methods The images of CEUS of 12 cases with hepatic LELC were retrospectively analyzed.The perfusion patterns and time of enhancement were observed.Results During the arterial phase,11 lesions showed diffuse enhancement,while 1 lesion showed rim-like enhancement.The mean time of begin enhancement,time to peak,time to iso-enhancement and slightly hypo-enhancement were(17.92±5.81)s,(24.50±5.52)s,(29.55±6.25)s,(45.50±25.15)s,respectively.Compared with adjacent liver parenchyma,rapid enhancement was observed in 11 lesions and synchronous enhancement was observed in 1 lesion.As to time of peak enhancement,hyper-enhancement and iso-enhancement were observed in 11 lesions and 1 lesion,respectively.In portal phase,8 lesions manifested slight hypo-enhancement,3 lesions with marked hypo-enhancement and 1 lesion with iso-enhancement.And in delayed phase,10 lesions showed marked hypo-enhancement and 1 lesion with slight hypo-enhancement.Ten lesions showed peripheral hyper-enhancement like a bright ring in the portal and delayed phase.Conclusions CEUS is valuable for the diagnosis and differential diagnosis of hepatic LELC.
作者
秦红
赵倩楠
王坤
袁愷
张小龙
董怡
王文平
Qin Hong;Zhao Qiannan;Wang Kun;Yuan Kai;Zhang Xiaolong;Dong Yi;Wang Wenping(Department of Ultrasound,Zhongshan Hospital,Fudan University,Shanghai 200032,China;Department of Ultrasound,Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine,Shanghai 200092;Shanghai Institute of Imaging Medicine,Shanghai 200032,China;Institute of Ultrasound Medicine and Engineering,Fudan University,Shanghai 200032,China)
出处
《中华超声影像学杂志》
CSCD
北大核心
2023年第10期852-857,共6页
Chinese Journal of Ultrasonography
基金
国家自然科学基金面上项目(82272013,82071942)
上海市自然科学基金(20ZR1452800)
国家自然科学基金中德合作交流项目(M-0504)。
关键词
超声造影
肝肿瘤
淋巴上皮瘤样癌
Contrast-enhanced ultrasound
Liver neoplasms
Lymphoepithelioma-like carcinoma
