Desi yosiyana ndi yankho limene limagwiritsidwa ntchito popititsa patsogolo mapangidwe ena pamene mukuyang'ana chithunzi cha thupi. Mankhwala a Radiocontrast ndi zinthu zomwe zimagwiritsidwa ntchito pa maphunziro monga x-ray, fluoroscopy, ndi computed tomography (CT). MRIs amagwiritsira ntchito othandizira ena omwe amathandiza kuwonjezera mphamvu zamaginito za gawo la thupi.
Ma Radiographic Agents
Mu maphunziro a X-ray ndi CT, mawotchi a radiocontrast ndi zinthu zomwe zimatenga x-ray photons ndipo siziwalola kuti zidziwike ndi x-ray filimu kapena CT scanner.
Chitsanzo chomwe nthawi zambiri chimagwiritsidwa ntchito ndi chinthu cha barium, chomwe chimaperekedwa mu buluum sulphate. Dontho losiyanitsa likhoza kulowa mu mitsempha yanu (kuti asonyeze zotengera), ikhoza kuloledwa pamlomo (kusonyeza matumbo apamwamba), kapena kuikidwa mu rectum (kusonyeza m'matumbo apansi). M'madera ena a CT, mitundu yonse itatu yosiyana (yotchedwa "kusiyana katatu") imagwiritsidwa ntchito.
M'maganizo, mankhwala omwe amagwiritsidwa ntchito kawirikawiri amagwiritsira ntchito majekeseni, kapena malo omwe ali mkati mwa thupi. Kawirikawiri malowa amadziwika ndi wothandizila kuti adziwe kuti singano ili pamalo abwino chisanafike mankhwala.
Osiyana ndi MRI
Kusiyana kwa MRI kumagwira ntchito mosiyana koma kumapangitsanso kusiyana pakati pa makoswe. Kusiyana kwa MRI kumasintha maginito a minofu. Zosinthidwazo zimasiyanitsa mitundu ya minofu pa chithunzi cha MRI.
MRI yomwe imagwiritsidwa ntchito kwambiri ndi chinthu chomwe chimapanga gadolinium.
Mofanana ndi mawonekedwe a radiographic, gadolinium ikhoza kulowa mu mitsempha ya magazi kapena kupiritsidwa mu jekeseni. Gawoli lotchedwa Gololinium-enhanced MRI lothandizira lingakhale lothandiza kwambiri powonetsa zotsatira zowoneka ngati labral misonzi pamtundu ndi pakhosi . Popanda chojambulira chosiyana, zotsatirazi zowoneka zowoneka sizingatheke.