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Mainportalveininjuriesina63-year-oldwomanafterbluntabdominaltrauma.Axialcontrast-enhancedCTimagesobtainedatdifferentlevels(a,b)demonstrateacontourabnormalityandanintimalflap(blackarrow)intheportalvein.Tracesurroundingfatstranding(whitearrows)indicatesahematoma.Mesentericveininjuryina53-year-oldmanafterblunttraumafromamotorvehiclecollision.(a,b)Axial(a)andcoronal(b)contrast-enhancedCTimagesobtainedintheportalvenousphaseshowalargemesenterichematoma(arrowheads).Anabnormalfocusofhigh-attenuationcontrastmaterial(arrowina)isdepictedwithinthehematoma.(c)Sagittalreformattedimageshowsthattheabnormalfocusofcontrastmaterial(openarrow)hasattenuationsimilartothatofthesuperiormesentericvein(closedarrow),afindingthatisconsistentwithactiveextravasationfromabranchofthatvein.Suchabranchinjurywasconfirmedatexploratorylaparotomy.Renalveininjuryina35-year-oldwomanafterblunttraumafromamotorvehiclecollision.(a)Axialcontrast-enhancedCTimageobtainedinthelatearterialphaseshowsdecreasedperfusionoftheleftkidney(arrow)andalargeperirenalhematoma(arrowheads).(b)Coronalcontrast-enhancedCTimageobtainedinthelatearterialphaseshowstheabnormalcontour(arrow)ofthedistalendoftheleftrenalvein;theextravasationofcontrastmaterialhasattenuationthatmirrorsthatofthevenoussystem.(c)Axialcontrast-enhancedCTimageobtainedinthedelayedphasedepictsaccumulationofhigh-attenuationmaterial(arrows)withintheperirenaltissues,afindingthatisconsistentwithactivevenousextravasationintothesurroundingtissues.Renalveininjurywasconfirmedatsurgery.41岁男性钝挫伤后骨盆骨折、血肿.(a)Axialcontrast-enhancedCTimageshowsactiveextravasation(arrowheads)intoalargehematomainthelefthemipelvis.Theexternaliliacartery(arrow)isintact,buttheveinisnotdepictedclearly.(b)A
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