CT scanner kayan aikin gano cuta ne mai cikakken aiki. Dabarar hoto ce ta likitanci da ke amfani da haɗin gwiwar kwamfuta na ma'aunin X-ray da yawa waɗanda aka ɗauka daga kusurwoyi daban-daban don samar da hotuna (cross-setional) na jiki (virtual 'yanka') na jiki, yana ba mai amfani damar gani a cikin jiki ba tare da yanke ba.