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







































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