超声诊断胆囊憩室并胆汁淤积1例

2019-02-19 吴克钻 黄碧华 陈惠萍 中国超声医学杂志

患者男,19岁。于他院超声发现肝脏占位性病变2个月余,但无不适主诉。超声检查:于肝S5段探及一低回声包块,大小29mm×17mm,边界清晰,形态规则,CDFI:包块未见明显血流信号;餐后胆嚢,显示不清。

患者男,19岁。于他院超声发现肝脏占位性病变2个月余,但无不适主诉。超声检查:于肝S5段探及一低回声包块,大小29mm×17mm,边界清晰,形态规则,CDFI:包块未见明显血流信号;餐后胆嚢,显示不清。
 
实验室检查:总胆汁酸12.20μmol/L(正常值:0?10pmol/L),余未见异常。患者数日后空腹复查:胆嚢大小65mm×20mm,肝S5段见低回声包块29mm×18mm,让患者分别平卧、左侧卧及右侧卧位后,见包块形态改变,包块内有点絮状回声(黄箭头所示)流动(图1),并可见包块有宽2mm管状通道与胆嚢颈部相通(黄色双箭头所示)。
 


嘱患者餐后复查,见餐后胆嚢缩小为53mm×18mm,包块缩小为19mm×14mm(图2)。超声提示:胆嚢憩室并胆汁淤积。其后,患者进行上腹部MRI平扫+增强,肝S5见一25mm×17mm类圆形短T1、长T2信号影,且见一管状影与胆嚢相连,诊断意见:肝S5占位,考虑胆嚢憩室并胆汁淤积可能。
 


讨论
 
胆嚢憩室少见,可分为先天性胆嚢憩室和后天获得性胆嚢憩室,前者憩室壁由胆嚢正常的三层解剖结构组成,后者憩室壁缺少肌层或仅有无完整的肌层。本病例管道内径2mm,较窄细,不利于憩室内胆汁排出,故易导致胆汁淤积,其形态与肝内占位性病变颇为相似,极易误诊。
 
因此,于胆嚢附近肝脏发现包块时,若患者非空腹状态,为避免误诊,可让其空腹复查,并须多体位、多切面探查,若发现包块与胆嚢有通道,应考虑此病的诊断。此外,可让患者变换体位观察包块及其内容物是否发生改变来佐证,也可采取高脂餐试验,观察胆嚢及包块是否同时缩小来验证。
 
原始出处:

吴克钻,黄碧华,陈惠萍.超声诊断胆囊憩室并胆汁淤积1例[J].中国超声医学杂志,2018(02):191.

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    2019-02-21 zutt
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Semin Arthritis Rheu:无症状高尿酸血症患者OMERACT定义的痛风基本超声病变的患病率和辨别度

在无症状高尿酸血症人群中,1MTP和股骨髁双轮廓以及1MTP痛风石患病率最高,并可以与尿酸正常的人进行区分。

Small:深圳先进院在新型声敏剂超声治疗肿瘤方面取得新进展

近日,中国科学院深圳先进技术研究院蔡林涛团队合成了系列新型金属卟啉配合物,并利用白蛋白重组技术构建了纳米配合物声敏剂,在超声激发下,实现了声动力无创深层肿瘤的精准治疗。相关论文《基于金属卟啉配合物的纳米声敏剂用于深层肿瘤的无创声动力治疗》(Metalloporphyrin Complex-Based Nanosonosensitizers for Deep-Tissue Tumor Therano