CT scanner waa qalab lagu ogaanayo cudurada si buuxda u shaqeeya. Waa farsamo sawir-qaade caafimaad oo adeegsata isku-darka kombuyuutarka lagu farsameeyay ee cabbirro badan oo raajada ah oo laga soo qaaday xaglo kala duwan si loo soo saaro sawirro tomografi (isku-tallaabta) ah (virtual 'slices') ee jirka, taasoo u oggolaanaysa isticmaaluhu inuu arko gudaha jirka isaga oo aan goyn.