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Puas uptake ntawm tsiaj scan txhais tau tias mob cancer?

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Puas uptake ntawm tsiaj scan txhais tau tias mob cancer?
Puas uptake ntawm tsiaj scan txhais tau tias mob cancer?
Anonim

PET feem ntawm qhov kev ntsuas kev ntsuas no yog nyob ntawm kev sib sau ntawm cov piam thaj hauv lub cev, FDG. Hauv cov qog nqaij hlav cancer, muaj ntau dhau ntawm cov piam thaj thauj khoom thiab, vim li ntawd, nce FDG nce ntxiv. Txawm li cas los xij, tsis yog txhua tus PET-zoo kab mob yog mob qog noj ntshav, thiab ntau zaus, kev tshawb pom tus tsiaj tuaj yeem yog qhov tsis zoo.

Tus lej uptake ntawm tus tsiaj scan txhais li cas?

PET Quantification

Tus qauv tsim tus nqi (SUV) yog ib qho kev ntsuas ib nrab ntawm cov tracer uptake nyob rau hauv ib cheeb tsam ntawm kev txaus siab uas normalizes qhov mob ua haujlwm rau kev txhaj tshuaj thiab kev ntsuas ntawm qhov ntim ntawm kev faib tawm (feem ntau yog tag nrho lub cev hnyav lossis lean lub cev hnyav).

Dab tsi yog qhov tshwm sim ntawm tus tsiaj scan?

Tag nrho qhov nce hauv lub hlwb yog kwv yees li 6% ntawm cov tshuaj txhaj. Cov ntaub so ntswg lymphatic tej zaum yuav pom tsawg mus rau nruab nrab FDG uptake nyob rau hauv lub taub hau thiab caj dab cheeb tsam.

Tus nqi qis ntawm tus tsiaj scan txhais li cas?

Tsawg FDG fluorine 18 fluorodeoxyglucose uptake tej zaum yuav yog vim muaj ntau yam, nrog rau cov qog nrog cov piam thaj metabolism tsis txaus lossis qis cellularity, kev npaj tsis raug rau tus neeg mob, thiab cov qog me me.

Cov qog nqaij hlav zoo li cas tshwm sim ntawm PET scans?

Kev kuaj tus tsiaj / CT pab kuaj mob qog noj ntshavthiab muab cov ntaub ntawv ntxiv, suav nrog seb lub qog puas zoo (tsis mob qog noj ntshav) lossis mob qog noj ntshav (mob qog noj ntshav), seb cov qog nqaij hlav puas yog nquag los yog tuag, thiab qhov mob qog noj ntshav tau zoo npaum li cas rau kev kho mob.

How do PET scans work to detect things such as cancer?

How do PET scans work to detect things such as cancer?
How do PET scans work to detect things such as cancer?
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