DLP ntsuas li cas hauv CT?
DLP ntsuas li cas hauv CT?

Video: DLP ntsuas li cas hauv CT?

Video: DLP ntsuas li cas hauv CT?
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Hauv CT , tag nrho cov nqi hluav taws xob tshwm sim ntawm tus neeg mob, lub npe hu ua DLP , yog cov khoom lag luam ntawm CTDIvol thiab ntsuas qhov ntev (hauv centimeters) thiab yog ntsuas hauv milligray-centimeters.

Ib yam nkaus, DLP yog dab tsi hauv CT scan?

Dose ntev khoom ( DLP ) ntsuas hauv mGy*cm yog ntsuas ntawm CT raj hluav taws xob tso tawm/raug. Nws muaj feem cuam tshuam nrog CTDIvol, tab sis CTDIvol sawv cev rau koob tshuaj los ntawm ib daim phantom uas tsim nyog. DLP suav txog qhov ntev ntawm cov hluav taws xob tso tawm raws lub z axis (qhov ntev ntawm tus neeg mob).

Qhov thib ob, pes tsawg mGy yog CT scan? Cov txiaj ntsig: Rau cov neeg laus, qhov nruab nrab CTDIvol yog 50 mkx (IQR, 37-62 mGy) rau lub taub hau, 12 mGy (IQR, 7-17 mGy) rau lub hauv siab, thiab 12 mGy (IQR, 8-17 mGy) rau lub plab.

Tom qab ntawd, ib tus kuj tseem yuav nug tau, DLP xam li cas?

DLP yog qhov koob tshuaj ntev. Nws yog CTDIvol sib npaug los ntawm qhov ntev ntawm qhov scan. Chav nyob yog mGy centimeters (mGy cm). Cov DLP tuaj yeem siv rau xam kwv yees ntxhib ntawm qhov ua tau zoo.

CT Topogram yog dab tsi?

CT qhov projection radiographs (" topograms ") Rau txhua tus neeg mob tau siv los kwv yees txoj kab nkhaus tam sim no (nrog kev hloov pauv ntawm x-, y-, thiab z-axes) uas yuav ua rau cov duab xav tau zoo, muab tus neeg mob qhov loj thiab lub cev.

Pom zoo: