I-CT scanner iyithuluzi elisebenza ngokugcwele lokuthola izifo.Kuyindlela yezokwelapha esebenzisa inhlanganisela ecutshungulwe ngekhompuyutha yezilinganiso eziningi ze-X-ray ezithathwe ema-engeli ahlukene ukuze kukhiqizwe izithombe ze-tomographic (ezinqamula izingxenye) zomzimba ('izingcezu') ezibonakalayo, okuvumela umsebenzisi ukuthi abone ngaphakathi umzimba ngaphandle kokusika.