I-scan ye-CAT ivelisa umfanekiso we-Cross-Sectional weBhunga
Iskripthi se-CAT, esibizwa ngokuba yi-computer ye-axial tomography, i-CT scan, okanye i-tomography ekhompyutheni, uvavanyo lokungcamango olungenasimangalo olusetyenziswa ukukunceda ukuxilongwa kweemeko zonyango. Ukusebenzisa i-x-ray izixhobo kunye neekhomputha ezizodwa, ukukhangela kwe-CAT kunokuvelisa imifanekiso emininzi ebonakalayo kwinqanaba elithile lomdla ngaphakathi ngaphakathi komzimba.
I-CAT iskena isebenza njani?
Ukuba uneskripthi se-CAT, uya kuxelwa ukuba ulale etafileni ehamba ngeenjini eziza kukuhambisa ngokuvula inkqubo ye-imaging scan.
Ngexesha lokujonga i-CAT, uya kunikelwa idayi ephazamisayo (uhluke) ukunceda ukufumanisa imithana yegazi kunye neziza zokuvutha. Kukho umthombo we-x kunye nomtshina ngaphakathi kwindlu ye-CAT yokujonga umfanekiso wesithombe. Umthombo we-x-ray kunye ne-detectors zihlala zivela ngaphaya komnye kwisangqa, ebizwa ngokuba yi-gantry, ejikelezayo.
Umthombo we x-ray uvelisa i-ray ye-x-ray, ngesimo somqhubi okanye unxantathu, odlulayo kwicandelo lomzimba elichithwa. Umtshini, ojongene nomthombo we-ray, urekhoda ii-ray ezidlulayo emzimbeni njengoluhlu lweemifanekiso ezifom. Izixhobo ezininzi ezahlukeneyo ziqokelelwa kwii-angles ezahlukahlukeneyo ngokujikeleza okupheleleyo komthombo we-x kunye nomtshini. Emva koko, ngumsebenzi wekhompyutheni ukuhlaziya imifanekiso nganye ibe yinkqutyana yemifanekiso eqingqiweyo yeso sigaba somzimba, okwenza kube luncedo kwiinjongo zokuxilonga.
Nini i-CAT Scan Scan?
Ukutshekisha kwe-CAT kunako ukubonelela ngeembono ezicacileyo zazo zonke iintlobo zeethambo. Ngokuqhelekileyo iyalelwe ukuba ulwazi lufuneka ngaphaya kweyiphi i-x-ray rhoqo. I-scan ye-CAT isetyenziselwa ukuxilonga uluhlu olubanzi lweemeko zonyango, kuquka umhlaza kunye nezifo zesifo. Kuxhamle kwiimeko ze-arthritis kunye ne-musculoskelet, kwakhona, ngokukodwa kwiingxaki zesigxina, izandla kunye neenyawo, apho imifanekiso yamathambo amancinci kunye nezicubu ezizungezile (kubandakanywa imisipha kunye nemithambo yegazi) kubalulekile ukuxilongwa.
Izingozi kunye neNzuzo ezidibene ne-CAT Scan
Ngokuqhelekileyo, iinzuzo ze-CAT scan ziyiyo engenabuhlungu, inkqubo engekho intshabayo enika ulwazi olunzulu. Ngokungafani ne-x-ray rhoqo, ukukhishwa kwe-CAT kunika imifanekiso yezitho eziluhlaza kunye nethambo. Ngokungafani ne-MRI, i-scan ye-CAT ayinelanga ukuhamba kwakho kwaye ingasetyenziselwa izigulane ezifake izixhobo zonyango. Akukho mijelo ehlala emzimbeni wakho emva kokuskena kwe-CAT. Umngcipheko omkhulu ophathelene nokufundwa kwe-CAT ukubonakaliswa kwemitha. Ukuba ukukhangela kwakho kufaka phakathi ukuhlukana kwe-intravenous, koko kukho umngcipheko omncinci wokuphendulwa kweengxaki kunye / okanye iingxaki zeengtso. Kwiimeko ezininzi, nangona kunjalo, iingenelo ziphezulu ngaphezu kweengozi.
Imithombo:
Izaphulo zokuBala iMveliso. Tomography eComputer (CT).
CT - umzimba. RadiologyInfo.org. Matshi 15, 2010.