十二指肠非肿瘤性病变影像学
参考文献：
Imagingspectrumofnonneoplasticduodenaldiseases
SitthipongSrisajjakul,PatcharinPrapaisilp,SirikanBangchokdee
摘要：
Theduodenumisashortsegmentofthebowelthatisfrequentlyoverlookedonradiologicexamination.Thisuniqueportionoccupiesbothintraperitonealandextraperitoneallocations,withproximitytomanyvisceralorgans,includingpancreas,stomach,aorta,andliver.Thiscloseproximitycreatesadifferentiationchallengefortheradiologist.Duodenalpathologiesarecategorizedintoneoplasticandnonneoplasticconditions.Majorityofradiologistsarefamiliarwithduodenalneoplasm.However,duodenalinvolvementbyamultitudeofnonneoplasticconditionscanbeencountered.Themajorityofrelatedradiologystudieshaveconcentratedonneoplasmsoftheduodenum—eitherprimaryorsecondary.However,abroadrangeofnonneoplasticconditionsmeritdiscussion.Inthisreview,multimodalityimagingfeaturesofnonneoplasticduodenaldiseasesarediscussedandemphasized.
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1.重要词汇
2.十二指肠非肿瘤性病变疾病谱
3.十二指肠非肿瘤性病变疾病分布图如下：
4.病例展示
4.1先天性病变
case1十二指肠闭锁--双泡征
Anewbornwithduodenalatresia.Plainradiographofabdomenshowsdouble
bubblesign(arrow).Stomachandproximalduodenumaredistendedwithabsenceofdistalgas.
Case2Malrotation肠旋转不良
A16-year-oldmalewhopresentedwithvomiting.UpperGIstudyperformedwithbariumshowsZ-shapedcon?gurationofduodenum.Theduodenojejunaljunction(arrow)islocatedtotherightofthemidlineasaretheproximaljejunalloops.
Case3Paraduodenalhernia十二指肠旁疝
A54-year-oldfemalewithabdominaldis绂忓窞娌荤櫧鐧滈鏈�濂界殑鍖婚櫌娌荤枟鐧界櫆椋庣敤浠�涔堣嵂
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