Xoo tomography los yog sib nqus resonance imaging - uas yog ib qho zoo thiab dab tsi yog qhov txawv?

Ib tug lossis loj tus naj npawb ntawm cov kab mob thiab kev raug mob yuav kuaj tsuas yog nyob rau cov tsos mob tshaaj. Heev feem ntau cov neeg mob mus nrhiav kev kho mob, cov kws txawj muab computer (i) thiab sib nqus resonance (MR) imaging. Yuav ua li cas yog hu ua qhov kev tshawb fawb? Xoo tomography los yog sib nqus resonance imaging - uas yog ib qho zoo? Nyob rau hauv cov teeb meem, nws yuav pab kom koj to taub.

NTSIAB xoo Tomography

CT - diagnostic txoj kev npaj nyob rau hauv 1972. Zaum tau tsim nws vim lub fact tias cov pa radiography twb flawed. Nws tso cai rau cov tub txawg nyob rau hauv lub daim ntawv ntsuam xyuas ntawm tus neeg tus neeg mob tau txais tsuas yog ib txhaj tshuaj tag. Nyob rau hauv xam tomography tib luj zoo. Firstly, ua tsaug rau qhov no diagnostic txoj kev yuav muab tau ib tug xov tooj ntawm cov dluab. Ob, cov dluab yog tsis muaj duab ntxoov ntxoo blending. Peb, nyob rau CT rhiab heev yog siab dua nyob rau hauv kev sib piv nrog cov pa radiography.

Xoo tomography yog raws li nyob rau kev siv ntawm X-rays. Thaum twg koj siv no diagnostic txoj kev siv ib tug tshwj xeeb scanner. Qhov no nyuab software-kho vajtse system, muaj:

• Gantry (rooj noj ib feem ntawm lub apparatus muaj PP khoom);
• ib tug high voltage generator;
• neeg teb xov tooj console;
• computer system.

Indications rau xoo Tomography

CT zoo dua lwm hom kev kawm visualizes pob txha. Uas yog vim li cas qhov no diagnostic txoj kev yog siv rau kev txheeb xyuas tib neeg cov neeg mob uas muaj ntau yam kev raug mob, cov pob txha lov. Piv txwv li, ib tug txiv neej mus rau tus kws kho mob nrog ib lo lus nug: "Uas yog ib qho zoo - MRI los yog CT scan ntawm cov nqaj qaum?" Yog hais tias muaj yog ib tug raug mob tus kws appoints CT. Txoj kev tshawb no tso cai rau peb kawm hauv lub xeev ntawm lub pob txha caj qaum dab, intervertebral discs.

Xoo tomography yog tseem muab nyob rau hauv cov nram no mob:

• puas stroke;
• tib neeg hais tias nyob rau hauv ib tug loj mob;
• contraindications rau kev MRI.

CT yuav muab nrog ib tug zoo ib tus neeg saib xyuas. Nws yog tswvcuab rau hauv lub cev ntawm cov kev kawm neeg mob nyob rau hauv thiaj li yuav txhim kho cov kev txawv ntawm cov hauv nruab nrog cev sib nrug. Lub sib piv neeg sawv cev yuav pab kom hais qhov xwm ntawm tus kuaj pathological lug thiab qhia cov kev hloov uas yuav tsis pom nyob rau hauv cov pa tshawb fawb.

Contraindications rau xoo Tomography

Yog li, xoo tomography los yog sib nqus resonance imaging - uas yog ib qho zoo? Thaum i, raws li zoo li lwm yam kev diagnostic txoj kev, muaj ib tug contraindication. Txoj kev tshawb no, nqa tawm yam tsis tau zoo thiab sib piv, yog tsis muab:

• cev xeeb tub cov poj niam, vim hais tias cov X-ray tawg muaj ib tug tsis zoo ntxim rau cov me nyuam hauv plab;
• dhau tag nrho ntawm cov neeg, vim hais tias cov kev yam ntxwv ntawm lub scanners, muaj indications rau lub siab tshaj plaws loj uas pab kiag li lawm yuav tau los mus tiv.

Nyob rau hauv xam tomography, nqa tawm nrog cov kev taw qhia ntawm ib tug zoo ib tus neeg saib xyuas, muaj ntxiv contraindications. Qhov no ua xua thiab lub raum tsis ua hauj lwm, thiab ib tug ntau yam ntawm lub qog tus kab mob thiab mob ntshav qab zib, thiab ntau yam myeloma, thiab tej qhov ntxa mob ntawm tus neeg mob nyob rau hauv kev xeem.

Yuav ua li cas yog MRI?

Lwm txoj kev mob - MRI. Qhov no daim ntawv ntsuam xyuas txoj kev nrhiav tau nyob rau hauv 1973. Xoo tomography los yog sib nqus resonance imaging - uas yog ib qho zoo? Nyob rau hauv teb lo lus nug no, muaj ntau ntau zoo ntawm magnetic resonance imaging rau CT:

• zoo heev kev daws teeb meem ;
• lub xub ntiag ntawm lub tau ntawm muab khej nyob rau hauv txawv dav hlau;
• yawm suab duab zoo.

Lub ntsiab plus ntawm magnetic resonance imaging yog hais tias lub gamma-ray raug rau cov tib neeg kawm yog tsis. Yog vim li cas yog tias MRI yog raws li nyob rau tshwm sim ntawm nuclear magnetic resonance, es lub X-ray tawg. Rau nqa tawm magnetic resonance imaging scanners siv sib txawv heev. MRI pab kiag li lawm muaj xws li cov hlau nplaum, gradient, shimmiruyuschih thiab xov tooj cua zaus coils, cua txias tshuab, tau txais systems, tej ntaub ntawv kis tau tus mob thiab ua, soj ntsuam kuaj cov tshuab.

Indications rau magnetic resonance imaging

MRI yog muab rau cov neeg thaum qhia. Cov muaj xws li:

• inflammations;
• congenital kab mob, kev loj hlob txawv txav;
• kev poob plig;
• vascular mob;
• neoplasms.

Xoo tomography los yog sib nqus resonance imaging - uas yog zoo dua nyob rau kev txiav txim mob? Qhov no muaj coob tus neeg nug. Sib Nqus resonance imaging yog zoo heev visualizes nqaij mos. Bony lug tsis muaj kev cuam tshuam zoo ntawm cov dluab. Uas yog vim li cas cov kws kho mob puas neoplasm muab MRI.

Contraindications rau magnetic resonance imaging

Thaum teb cov nqe lus nug: "xoo tomography los yog sib nqus resonance imaging - uas yog ib qho zoo" - nws yuav tsum tau muab sau tseg hais tias magnetic resonance imaging kuj yuav muab tsis tau tag nrho cov neeg. Tsis contraindications ntawm no txoj kev ntawm mob muaj xws li:

• lub xub ntiag ntawm uas tsis yog-tshem hluav taws xob;
• lub nyob rau hauv lub cev ntawm nws yog xim hlau txawv teb chaws lub cev;
• xub ntiag ntawm intracranial aneurysms, klipirovannyh ferromagnetic cov khoom;
• lub xub ntiag ntawm tattoos rau lub cev nrog rau cov ntsiab lus ntawm nws yog xim hlau sib txuas.

Tus kwv tij contraindications yog:

• thaum ntxov cev xeeb tub;
• claustrophobia;
• mob heev uas tsis pub los tuav tseem thaum lub sij hawm txoj kev kawm no;
• tej yam tsis zoo vim cov tshuaj los yog dej caw;
• qhov yuav tsum tau los saib xyuas cov tseem ceeb heev tshwm sim.

Sij hawm ntawm CT thiab MRI: piv txwv

Uas ntawm txoj kev ntawm mob yog lub feem ntau tuav? Nyob rau hauv teb lo lus nug no, tsis muaj peev xwm ua tsis muaj cov piv txwv. Peb yuav xav txog qhov kev xeem ntawm ob lub raum. Xoo tomography los yog MRI? Yuav ua li cas yog zoo dua rau ob lub raum? Thaum teeb meem ntawm mob mob, cov kws kho mob muab cov tshuaj ultrasound. Qhov no thawj diagnostic txoj kev los ntsuam xyuas qhov ntev raum parenchyma qauv xeev perirenal rog. Yuav kom ntsuam xyuas lub loj heev ntawm thiab inflammatory kev hloov ntawm nthuav dav muab xam tomography.

Yog hais tias thaum lub sij hawm ultrasound qhia ib tug khoom cyst tsim los nyuab, qhov kev piav qhia yog ua nrog zoo CT hais qhov mob (zoo neeg sawv cev zoo heev tsub kom ntaub ntawv ntsiab lus). Thaum tsis meej xwm tau qhia magnetic resonance imaging.

Cov piv txwv nram qab - tib neeg soj ntsuam uas poob siab tias ischemic stroke. Xoo tomography los yog MRI? Yuav ua li cas yog ib qho zoo rau lub hlwb, kev ntsuam xyuas nws cov mob hu ua tus kab mob? Xoo tomography yog ua nyob rau hauv thawj hnub. Nws tso cai rau koj mus kaws haemorrhage. Tab sis nrog rau kev pab los ntawm MRI no yuav ua tau. Sib Nqus resonance imaging yog ib co xwb nyob rau hauv subacute (3-14 hnub) thiab mob mus ntev (ntau tshaj 14 hnub) theem.

Yog li, ib tug yuav tsis hais uas ntawm txoj kev ntawm mob yog lub feem ntau tuav. Xoo tomography los yog sib nqus resonance imaging - uas yog ib qho zoo rau cov nqaj qaum, ob lub raum, lub hlwb thiab lwm yam hauv nruab nrog cev? Lo lus teb rau lo lus nug no yog ib tug kws kho mob rau txhua txhua particular case. Thiab xam tomography, thiab sib nqus resonance imaging - ob tuav txoj kev. Cov kev xaiv ntawm lawv yog yeej ib txwm ua kws, muab tus soj ntsuam daim duab, lub xeev ntawm tus neeg mob, hauv lub xub ntiag ntawm tus kab mob.