Idayi yokuphambana isisombululo esisetshenziselwa ukukhulisa izakhi ezithile uma ubheka isithombe somzimba. Ama-Radiocontrast agents kukhona izinto ezisetshenziselwa izifundo ezifana ne-x-rays, i-fluoroscopy, ne-computed tomography (CT). I-MRIs isebenzisa amanye ama-agent esiza ukugxilisa izici zamaginini zengxenye yomzimba.
Ama-Radiographic Agents
Ezingxenyeni ze-x-ray ne-CT, ama-radiocontrast agents kukhona izinto ezithatha i-x-ray photons futhi azivumeli ukuba zitholwe yi-ray ray noma i-CT scanner.
Isibonelo esivame ukusetshenziswa esakhiweni se-barium, esithunyelwa kwi-sulfate ye-barium sulfate. Idayi yokungafani ingafakwa emithanjeni yakho yegazi (ukukhombisa izitsha), ingangenwa ngomlomo (ukukhombisa ubhuzu obuphezulu), noma ifakwe emgodini (ukukhombisa ugundane ophansi). Kwezinye izingxenye ze-CT, zonke izinhlobo ezintathu zokuphambene (okuthiwa "ukuhluke kathathu") zisetshenzisiwe.
Ema-orthopedics, ukusetshenziswa okuvame kakhulu kwama-agent e-radiographic ukufaka injini ku-agent, noma isikhala emzimbeni. Ngokuvamile isikhala sibonakala nge-ejenti ye-radiographic ukuqinisekisa ukuthi inaliti isesikhundleni esifanele ngaphambi kokuthi imithi ijowe.
Ama-Contra Agent MRI
Ukuhlukana kwe-MRI kusebenza ngokuhlukile kodwa futhi kugcizelela ukungezwani phakathi kwama-tissu. Ukuhluka kweMRI kuguqula izici zamagnumzimba zezicubu. Izakhiwo ezishintshiwe zizohlukanisa izinhlobo zezicubu emfanekisweni we-MRI.
I-agent ye-MRI ehlukile kakhulu esetshenziswa kakhulu yi-element gadolinium.
Njengama-radiographic agents, i-gadolinium ingafakwa emithanjeni yegazi noma ijowe ibe yinye. Ukuhlolwa kwe-MRI ye-Gadolinium kungasiza kakhulu ekuboniseni okutholakala okucashile njengezinyembezi ze- labral emkhakheni wezinhlanzi kanye ne- hip cartilage . Ngaphandle kokuthi i-agent ehlukile ihlanganiswe, lokhu okutholile okungaqondakali kungabonakali.