I-MRIs isebenzisa amandla amakhulu nezigagasi zomsakazo, hhayi imisebe
Kulabo abane- multiple sclerosis (MS), ukuhlolwa kwe-MRI kuyinto evamile. Iningi lakho cishe unomnyaka owodwa, ngezinye ezengeziwe ezibekiwe uma i-neurologist imangalela ukuphindaphinda , izimpawu zakho ziyanda kakhulu, noma uma uhlanganyela ekuvivinyweni komtholampilo uhlobo oluthile.
Ngokuqinisekile, wawunenani le-MRI elilodwa ngenkathi usenesikhathi sokuthola ukuthi une-MS .
Ngalokho, kungokwemvelo ukubuza ukuthi ngabe awuhambisani nemisindo ngesikhathi se-MRI scan. Impendulo emfushane ingu "cha." Awunayo yonke imisebe yomsakazo ngesikhathi sokuskena kwe-MRI (i-magnetic resonance imaging).
Kodwa ake sibambe ngokujulile ukuthi i-MRIs isebenza kanjani, ingacabangi ukuthi imilayezo isetshenziswa kanjani.
Sibutsetelo se-MRI
"I-MRI" imelela " ukucabanga kwe-magnetic resonance ," futhi isebenzisa amasimu magnetic namagagasi omsakazo (hhayi imisebe) ukukhiqiza izithombe. I-MRI iyithuluzi elibaluleke kakhulu elisetshenziswa kokubili ukuhlola i-MS nokuqapha inkambo yesifo somuntu.
Ngesikhathi se-MRI, amagagasi omsakazo oqine kakhulu (izikhathi ezingu-10,000 kuya ku-30 000 ezinamandla kunezimbangela zamagnetic zomhlaba) athunyelwa emzimbeni. Lokhu kuhambisa okwesikhashana i-nuclei yama-athomu (ikakhulukazi i-hydrogen) akha amangqamuzana omzimba. Lapho bebuyela emuva, bakhipha amagagasi abo omsakazo, athunjwa yi-scanner. Uhlelo lwekhompiyutha lube luhumusha lolu datha emifanekisweni, okuyinto i-radiologist engayichaza.
Kunezinhlobo ezimbili ezahlukene zama-MRIs asetshenziselwa ama-multiple sclerosis, izilinganiso ezilinganiselwe ze -T1 nezilinganiso ezilinganiselwe T-2. Basebenza kancane ngokuhlukile ukusiza isazi sezinzwa sokuqonda kangako ukuqonda kahle i-MS yomuntu.
Ama-Scans we-T1-Weighted
Izilinganiso ze-MRI ezilinganiselwe i-T1 zinikeza ulwazi mayelana nomsebenzi wesifo samanje, njengokungathi baqala ukuphindaphinda noma cha.
Isibonelo, uma umuntu one -MS ephindela emuva-egcina izimpawu ze-neurological ezintsha, udokotela wakhe angalayula ukuhlolwa kwe-MRI okulinganiselwe kwe-T1 kuthuthukiswe nge-gadolinium (umehluko). Uma ukuvuvukala kuvela ebuchosheni, i-gadolinium izokwazi ukungena nokukhanyisa lezo zindawo zomonakalo we-myelin (obizwa ngokuthi ama-MS izilonda).
Izilinganiso ze-MRI ezilinganiselwa ku-T1 nazo zinikeza ulwazi mayelana nezindawo zokulimala okungapheli kwe-myelin ne-nerve fiber-lezi ziboniswa ngokuthi "izimbobo ezimnyama."
Ama-Scans we-T2-Weighted
Izilinganiso ze-MRI ezilinganiselwe yi-T2 zinikeza ulwazi mayelana nenani eliphelele lezilonda (kungaba elisha noma elidala). Lezi zilonda zibonisa ngokuthi "izindawo ezikhanyayo," futhi zinike odokotela umuzwa womthwalo womuntu jikelele we-MS. Ngezinye izikhathi lezi zilonda ziyacaca futhi ngezinye izikhathi ziyaqhubeka futhi zikhule zibe amabala amnyama (isibonakaliso somonakalo osunaphakade).
I-MRIs iyadingeka ku-MS Care
Nakuba kungase kumangalisa ukucabanga ngezinsimu zamagnetic namagagasi omsakazo athunyelwa emzimbeni wakho, akukho nhlobo engozini emathanjeni omzimba wakho ngesikhathi sokuhlolwa kwe-MRI.
Lokho okushiwo, uma unamadivaysi asetshenzisiwe anensimbi, angahle asebenze kabi noma angabangela inkinga. Ngakho-ke, kubalulekile ukuthi utshele uchwepheshe wakho ukuba khona kwanoma iyiphi idivayisi, isikulufa, ipuleti noma yini enye onayo emzimbeni wakho ongazalwanga nayo.
Ingozi kuphela engaba khona engozini ye-MRI ingozi encane yokuphendula okubangelwa yi-gadolinium, indaba ehluke ngayo esetshenziswa kubantu abane-MS esebenzayo. I- gadolinium ingavula izindawo zokuvuvukala noma ukulahlekelwa kwe-myelin ebuchosheni kanye / noma intambo yomgogodla.
Futhi, abantu abanokukhubazeka kwezinso basengozini yesimo esibi kakhulu, okuthiwa i-nephrogenic systemic fibrosis, ebangelwa i-gadolinium.
Ukubeka imishanguzo yezokwelapha Ngombono
Ngenkathi ungase ukhathazeke ngemishanguzo evela ezivivinyweni zezokwelapha ezifana ne-CT, ingase ilulaze ingqondo yakho ukucabanga ngalomqondo-sizungezwe yimisebe. Umphakathi wethu we-elekthronikhi, ogcwele amakhompiyutha, amaselula, kanye namathelevishini, usivulele emisebeni yansuku zonke.
Cabanga futhi ukuthi uma usuka ogwini olwandle kuya ogwini uthola inani elifanayo lemisebe njengoba usuphethe isifuba sakho.
Izwi elivela
Ekugcineni, uma ukhathazekile ngokuchayeka kwakho emisebeni, ukuphambene, noma yini enye ngesikhathi sokuhlolwa kwezempilo, xoxa nodokotela wakho. Kanye ungazikala izinzuzo nezingozi. Uvame ukuthi omdala ukhulu kunelokugcina lapho ekhuluma nge- MRI , kodwa lokho kuyisiphetho sokuthi nobabili ningahlangana ndawonye.
> Imithombo:
> Giorgio A et al. Ukubheka ubuchopho be-MRI ebuchosheni be-hypointense ukuguga kakhudlwana kakhubazekile emitholampilo ekubuyiseni kabusha izifo eziningi ze-sclerosis. I-Mult Scler 2014 Feb; 20 (2): 214-9
> National MS Society. Ukufanekisa Ukubukeka Kwemagnetic (MRIs).