CT诊断成人多脾综合征合并胰腺肿瘤及肝段下腔静脉缺如1例

Chinese Journal of Medical Imaging Technology(2020)

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Abstract
患者男,64岁,因反复左上腹隐痛1年余,伴反酸、嗳气,近2天感腹痛较前加重,自服质子泵抑制剂后不能如前缓解而入院.查体未见异常.胃镜示慢性浅表性胃炎、十二指肠球部息肉.冠状位多平面重建(multi-planar reconstruction,MPR)图像示脾区7枚类圆形结节影,大小不一,密度均匀,CT值约45 HU,增强扫描动脉期呈显著不均匀强化,静脉期均匀强化,与脾脏基本一致(图1A、1B);容积再现(volume rendering,VR)图像示肝段下腔静脉缺如,肝静脉分别直接汇入右心房(图1C),奇静脉延续为下腔静脉,显著扩张并与主动脉伴行;曲面重建(curve planar reformation,CPR)图像示胰腺头部低密度灶与胰管相通,主胰管轻度扩张(图1D).影像学诊断:多脾综合征(polysplenia syndrome,PS),肝段下腔静脉缺如,奇静脉异常连接并扩张;胰腺导管内乳头状黏液肿瘤(intraductalpapillary mucinous neoplasm, IPMN).
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