Vim li cas ntshav dawb ntawm CT scan?

Video: Vim li cas ntshav dawb ntawm CT scan?

2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44

Lub pob txha nqus tau cov duab hluav taws xob feem ntau, yog li pob txha taub hau tshwm dawb ntawm daim duab Dej (hauv lub ntsws lub paj hlwb lossis kab noj hniav uas muaj dej puv hauv nruab nrab ntawm lub paj hlwb) nqus tau me ntsis, thiab zoo li dub. Feem ntau cov hlab ntsha ischemic tsawg dua (tsaus dua) dua li lub hlwb ib txwm muaj, qhov twg ntshav nyob rau hauv hemorrhage yog denser thiab zoo li dawb ntawm CT.

Hauv qhov no, qhov me me ntawm CT scan txhais li cas?

Dawb Chaw ntawm lub hlwb MRI Me ntsis ntawm lub paj hlwb MRI yog tshwm sim los ntawm kev hloov pauv cov dej hauv dej thiab cov dej txav mus los uas tshwm sim hauv cov ntaub so ntswg thaum lub paj hlwb puas los yog puas. Cov kab mob no pom tau yooj yim dua ntawm T2 cov duab hnyav, uas piav qhia qhov zaus (nrawm) ntawm xov tooj cua cuam tshuam siv thaum koj luam theej duab.

Ib qho ntxiv, qhov ntsuas CT tsis zoo txhais li cas? Tsis yog, feem ntau CT kuaj rov los tsis zoo . Qhov tseeb, nws muaj ntau heev rau qee tus neeg uas muaj lub hlwb raug mob-tshwj xeeb yog "mob hnyav" mob hlwb raug mob-kom muaj tsis zoo CT scan thiab, vim li ntawd, tsis paub tias lawv muaj lub hlwb raug mob kom txog thaum lawv mus ntsib kws kho paj hlwb.

Ib yam li ntawd, koj tuaj yeem nug, puas yuav kuaj CT qhia ntshav?

Nov yog vim li cas: Feem ntau, CT kuaj tsis tsim nyog Kev kuaj CT tuaj yeem pom yog tias muaj o los yog los ntshav hauv lub hlwb lossis pob txha tawg hauv pob txha taub hau. Yog tias koj muaj cov cim qhia tias raug mob hnyav, a CT luam ntawv feem ntau yog thawj qhov kev sim zoo tshaj plaws los kuaj xyuas nws.

Hypoattenuating txhais li cas?

Lub npe hypoattenuation (suav tau thiab suav tsis tau, ntau dua hypoattenuations) Tsawg dua li qhov ua kom qis (hauv kev kho mob)

Pom zoo:

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Dab tsi yog suav tias yog ib qho kev kuaj ntshav dawb dawb ntawm tes?

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