tailieunhanh - EMERGENCY NEURORADIOLOGY - PART 4

Điều này đã cho thấy một sự tương ứng giữa MRA và chọn lọc DSA có liên quan đến đánh giá của chứng phình động mạch occluded với cuộn dây. Nó có trong thực tế được thể đánh giá bất kỳ cổ chứng | 114 I. CEREBROVASCULAR EMERGENCIES Fig. 1 . o MRA oOneck vessels osdnsion at the beginning of the right internal carotid artery. Fig. . a Basic SE T2MM bOUrrcd signal Siynẹrintensityin right ocyipstallecailon b SE Ts insage n v non-homogeneous contrast enhancement due to blood-brain barrier darn . annme ẹ e MRAsOf tee vesnnIs oS Ạe WStVs stenosta nt site proximal segment of the right posterior cerebral artery. MR ANGIOGRAPHY 115 Fig. 3D TOF MRA ofthevesselsofthed rde cfWillis presence of an aneurysm on the anterior communicating artery. detadta leebr tJomZati on wn a goodoorrespc odence bctweenMRA anh selective DSA with resro so tho eeeluatson o3 aneusetms eluded cedi cods. it has h faet been possible to enaluate 1 oey essidui aneuscem neck eck flow whhin doe sesidual aneusesmasie sock fl psvsast However ao bo fair ceetam vaecular dlsu s areoboínady less easy ss svOuatern AesMejMISA pthtitious. Arteriovenousmalformations Ge r a MRA uttdineomcine- tion soichMRI osuOeieievo let 3 deteetioooO Lfes 1 essesíovennas malfermaoiens. The MOF MRA tnch mcueqves ij Oocuenaie tationoOcho mejueorOesielfeednoarCusies Fog. .Venous Ovainage and obecentraSniduc are b tti a tuOiẹV 1 MRA. nhe Mseolio o travenoasgadolinionHmeroeeslasgaaOevtiono3 theveno e ave eAVlUt u MRA nlth ose niss 1 oe the nidue Cvìi. cCs ọcd itcreSetiooshOe oiih the so ovodivb ocuscS tissue evHuh are i e - elcmessteSbs ieoaisos ntplanniob. bUis technscoc is else uenftV duringSoeiowsupaftes 00 sebageaeutíveDSA isheveetheSess required 0s oHd to obtaia poecieo irnegee of the execs anatomicnC archflortuse vsO see des namic aspectsofthe AW. Fig. AVM s hUMsic aE T2 MM1 oomeroveseoviggooui lmagesMUesihnO vid m old mSee2V1sẹ eOsoe reeSooib 3D TOF MRA s nes AVM hupolíeVby 0c2nshesorix-inating from the Sylvian artery and left posterior cerebral artery. CONCLUSIONS MRA ittn impon -énvaoévemeshed for seudgivcslhebx caiorq n Sk onC sec bloob .