OALib Journal期刊
ISSN: 2333-9721
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12例肺外神经内分泌癌影像分析
, PP. 754-757
Keywords: 神经内分泌癌,免疫组化,体层摄影术,X线,计算机
Abstract:
目的研究肺外神经内分泌癌(NEC)的影像表现,提高对该病的诊断水平。方法回顾性分析12例经病理确诊肺外神经内分泌癌患者的临床及影像资料。结果12例病例,病变分别位于胃、纵隔、胰腺、扁桃体、喉部、肝脏、壶腹部、十二指肠、鼻腔、鼻咽及腹膜后等,呈圆形或不规则形,12例均为单发;10例平扫密度及信号不均匀,中心见不同程度坏死区;增强扫描动脉期肿瘤实性部分明显强化,门脉期强化程度改变不明显,坏死区未见强化;余病灶平扫密度及信号均匀,增强扫描均匀性明显强化,未见坏死;5例肿瘤有周围组织浸润及远处淋巴结转移征象。结论肺外神经内分泌癌的影像特征主要为病灶呈圆形或不规则形,边界较清晰,平扫密度或信号不均匀,可见坏死,强化明显,结合临床信息行多层螺旋CT及MRI扫描对于肺外NEC的术前诊断具有一定价值。
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