Uvavanyo lwe-imagination magnontic resonance, okanye i- MRI , luvavanyo lokucambula olusetyenziswa ukuxilonga i- MS . Ukongeza kwi-diagnostic, i-MRIs nayo isetyenziselwa ukuhlola ukuqhubela phambili kwezifo, njengokubonelela ngokubonisa indlela umntu aphendule ngayo kakuhle ukunyanga kwe-MS. Umntu unokufumana i-MRI yengqondo yakhe kunye / okanye intambo yomthambo, kuxhomekeka kwiimpawu zakhe.
Iintlobo ezimbini ze-MRIs ezisetyenziselwa ukuqonda i-multiple sclerosis yomntu yi-T1-weighed and T-2 scans scans.
Yintoni i-MRI ene-Weighted MRI?
Ukukhwabanisa kwe-imagination magnetic resonance (MRI) yokubonisa imifanekiso (IMRI) ibonisa izilonda ze-hypointense, ezibizwa ngokuba "izimbobo ezimnyama," kuba zibonakala zimnyama kwimifanekiso. Ezi "zimbobo ezimnyama" zingabonisa indawo ye- myelin engapheliyo kunye nomonakalo okanye ukulahleka kwe-axonal, ingakumbi ukuba kunzima kakhulu. Ngamanye amazwi, umnyama ubonakala, umonakalo omkhulu wenziwe.
Xa i-myelin kunye ne-axon ziwonakaliswe okanye zonakaliswe, iiseliti zesisombululo azikwazi ukunxibelelana ngokufanelekileyo okanye kuzo zonke-oku kubangela ukuba iimpawu ze-MS ezizodwa.
Kubalulekile ukuba uqaphele ukuba ngaphezu kokulahleka kwe-axonal, i-"hole emnyama" okanye i-lesion elilinganiselwa kwi-T1 ingabonisa indawo ze-edema, okanye ukuvuvukala, okwethutyana kwaye kwanyamalala kwiiskrini ezalandelayo. Yingakho i-neurologist izakuqhathanisa iMRI yakho yangoku kunye ne-MRIs yakudala-ukubona ukuba izilonda ziye zazisombulula.
Yintoni i-MRI ene-Weighted MRI?
Ukukhangela kwe-imagination magnification (IMRI) ye-T2 ebonisa i-total number of MSs. Esi sibonakaliso esihle somthwalo womntu we-MS ngaphezu komnyaka ongaphambili. Izilonda ze-MS kwi-TRI-weight MRI ziboniswa njengezilonda ze-hyperintense, okanye "iindawo eziqhakazile" kwaye zidla ngokuba ngamacwecwe.
Ukuba iiplathi ziyaqhubeka ziphinda zitsha, zingagcina zibe "izimbobo ezimnyama." Oko kuthethwa, ngamanye amaxesha iipakiti ziyakwazi ukuphilisa, ukuzilungisa ngokwazo, kwaye zinyamalale.
Kuthetha ukuthini ukufumana ukungafani?
Nangona umntu ephantsi kwe-MRI, uchwepheshe we-MRI angabanika umzekelo ngokugqithiseleyo kwi-vein ebizwa ngokuthi i-gadolinium. Ukuba i- gadolinium ingena kwi-MS lesion kwi-MRI , iya kukhanya. Isilonda esibonakalayo sibonisa indawo yokuvuvukala ehlobene ne-MS, oku kuthetha ukuba ukutshabalaliswa kwezinto kuye kwenzeka ezinyangeni ezimbini okanye ezintathu zokugqibela.
ILizwi
Kubalulekile ukuqonda ukuba i-MRI iyisithuluzi esisetyenziswe ngama-neurologists ukuxilonga i-MS kwaye ubone indlela umntu aphendule ngayo kunyango. Kodwa izilonda kwi-MRI ayisoloko ihambelana ngokucacileyo kunye neempawu zomntu, kwaye izilonda ezingaphezulu kwi-MRI ayithethi ukukhubazeka okunxulumene ne-MS.
Yingakho i-neurologist ijwayele ukugxila kwindlela umntu azivakalelwa ngayo kwaye esebenza kwimpilo yabo yemihla ngemihla. Ngamanye amazwi, ukunyanga isigulane, kungekhona okokuba iimvavanyo zabo okanye iimifanekiso zobuchopho zibonisa.
Oko kuthethwa, uphando lubonisa ukuba "izimbobo ezimnyama" zibonakala zidibaniswe okanye zidibaniswa nokusebenza komntu kunye nokukhubazeka-kule ngxaki, umonakalo weentlanzi kunye nokutshatyalaliswa kuyaxutywa.
> Imithombo
> Birnbaum, MD George. (2013). Multiple Sclerosis: Isikhokelo seNtsholongwane yokuHlola kunye noTyango, uNgqungquthela wesi-2. ENew York, eNew York. I-Oxford University Press.
> Giorgio A et al. Ukubaluleka kweengqondo ze-MRI iingxubusho zexesha elide lokukhubazeka kweklinikhi ekubuyiseni i-multiple sclerosis. IMult Scler ngo-Februwari, 20 (2): 214-9
> I-MS Society Society. Ukujonga umfanekiso weMagnetic Resonance.