I-Multiple sclerosis yimeko yempilo engapheliyo apho kukho umonakalo kwi-myelin, isigqubuthelo esikhusela iiseli zemithambo-luvo kwingqondo yomntu kunye nentambo yomgogodla. Umonakalo ubonakala kwi-MRI scan (i-MRI high pressure medium injector). Isebenza njani iMRI yeMS?
Isitofu soxinzelelo oluphezulu lwe-MRI sisetyenziselwa ukutofa okuphakathi kumfanekiso wokuskena wezonyango ukuphucula umahluko wemifanekiso kunye nokwenza lula ukuxilongwa kwesigulana. I-MRI scan luvavanyo lokucinga olusebenzisa imagnethi kunye namaza erediyo ukwenza umfanekiso ngokulinganisa umthamo wamanzi kwiithishu. Ayibandakanyi ukuba sesichengeni ngemitha. Yindlela esebenzayo yokucinga ukuba oogqirha banokusebenzisa ukuxilongwa kwe-MS kunye nokubeka iliso ukuqhubeka kwayo. I-MRI iluncedo kuba i-myelin, into echithwa yi-MS, iqulethe izicubu ezinamafutha. Amafutha afana neoli kuba ayawagxotha amanzi. Njengoko i-MRI ilinganisa umxholo wamanzi, iindawo ze-myelin ezonakalisiweyo ziya kubonakala ngokucacileyo. Kwi-imaging scan, iindawo ezonakeleyo zinokubonakala zimhlophe okanye zibe mnyama, kuxhomekeke kuhlobo lwesikena se-MRI okanye ulandelelwano. Imizekelo yeentlobo zokulandelelana kwe-MRI ezisetyenziswa ngoogqirha ukuxilonga i-MS ziquka: I-T1-weighted: I-radiologist iya kujova umntu ngento ebizwa ngokuba yi-gadolinium. Ngokuqhelekileyo, amasuntswana e-gadolinium makhulu kakhulu ukuba angadlula kwiindawo ezithile zobuchopho. Nangona kunjalo, ukuba umntu unomonakalo kwingqondo, amaqhekeza aya kugxininisa indawo eyonakeleyo. Ukuskena okunobunzima be-T1 kuya kubangela ukuba izilonda zibonakale zimnyama ukuze ugqirha azichonge ngokulula. I-T2-weighted scans: Kwi-scan ye-T2-weighted, i-radiologist iya kulawula ii-pulses ezahlukeneyo ngomatshini we-MRI. Izilonda ezindala ziya kubonakala zinombala owahlukileyo kwizilonda ezitsha. Ngokungafaniyo kwimifanekiso yeskeni enobunzima be-T1, izilonda zibonakala zikhaphukhaphu kwimifanekiso enobunzima be-T2. I-Fluid-attenuated inversion recovery (FLAIR): Imifanekiso ye-FLAIR isebenzisa ulandelelwano oluhlukeneyo lweepulses kune-T1 kunye ne-T2 imaging. Le mifanekiso ibuthathaka kakhulu kwizilonda zengqondo ezibangelwa yi-MS. I-Spinal cord imaging: Ukusebenzisa i-MRI ukubonisa intambo yomgogodla kunokunceda ugqirha abone izilonda ezenzeka apha kunye nasengqondweni, okubalulekileyo ekwenzeni ukuxilongwa kwe-MS. Abanye abantu banokuba semngciphekweni wokungevani ne-gadolinium esetyenziswa ziskena ze-T1-weighted. I-Gadolinium inokunyusa umngcipheko wokulimala kwezintso kubantu abasele benokuncipha kokusebenza kwezintso.
Ixesha lokuposa: Aug-15-2023
