门静脉血栓钙化酷似肝外胆管结石1例
CHINESE JOURANL OF MEDICAL IM，AGING TECHNOLOGY（2001）
Abstract
患者男,73岁.3年前上消化道造影时发现右上腹2.0cm的致密影,怀疑为胆囊结石.超声检查在脾静脉末端后壁可见1.4cm的强光斑,后方伴声影,略向内突出,诊断为脾静脉管壁钙化.今年再次超声检查,除上述的脾静脉管壁钙化外,在门静脉起始段内发现一个1.9cm×1.0cm的强光团,后方伴声影,变换体位不移动,酷似扩张的肝外胆管结石(如图).其远端门静脉内径1.6cm,彩色多普勒超声显示门静脉内向肝血流,强光团处血流充盈缺损,而其前方有血流通过.肝实质回声均匀,胆囊未见异常,肝内外胆管无扩张,脾不大.
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