Dab tsi yog cov cim muag muag rau Trisomy 21?
Dab tsi yog cov cim muag muag rau Trisomy 21?

Video: Dab tsi yog cov cim muag muag rau Trisomy 21?

Video: Dab tsi yog cov cim muag muag rau Trisomy 21?
Video: Trisomy 21 2024, Kaum ib hlis
Anonim

Qhov rhiab heev sonographic Cov cim rau trisomy 21 suav nrog nuchal quav, luv femur, thiab EIF. Txawm li cas los xij, qhov tsis tseeb-zoo tus nqi kuj yog qhov siab tshaj plaws rau luv luv femur thiab EIF, uas ua rau qis LRs.

Hauv qhov no, tus cim muag muag rau Down syndrome txhais li cas?

A soft marker Tej zaum yuav qhia tau tias muaj feem ntau ntawm cov kab mob chromosomal txawv txav - tab sis nws tsuas yog tsis tshua muaj kev ntseeg siab, tshwj xeeb tshaj yog suav tias yog sab nraud ntawm daim duab loj. Ib txhia cov cim muag muag muaj kev koom tes siab dua nrog Down syndrome dua lwm tus.

Qhov thib ob, koj puas tuaj yeem kuaj pom tus mob Down ntawm lub cev kuaj ntshav? Ntxiv rau MSS xeem , feem ntau cov poj niam cev xeeb tub muaj ib tug morphology scan (tseem hu ua ib anomaly scan ) ntawm 19 mus rau 20 lub lis piam mus rau lub cev xeeb tub kuaj ntawm tus me nyuam txoj kev loj hlob thiab saib seb lub cev xeeb tub yog li cas. Qhov no ua tau tej zaum kuj qhia tau tias Down syndrome.

Kuj tseem yuav paub, dab tsi yog cov cim mos rau Down syndrome hauv ultrasound?

Nyob rau hauv lub thib ob peb lub hlis twg, cov feem ntau soj ntsuam cov cim mos muaj xws li echogenic intracardiac foci ntawm lub plawv , pyelectasis, luv femur ntev, choroid plexus cysts, echogenic plob tsis so tswj, thickened nuchal daim tawv nqaij quav, thiab ventriculomegaly.

Dab tsi yog trisomy 21 qib?

Lub cev xeeb tub cuam tshuam los ntawm trisomy 21 tended kom muaj kev pheej hmoo biochemical ntau dua (txhais tau tias 1:66, ntau 1:18 txog 1:213) dua li ib txwm karyotype fetuses (txhais tau tias 1: 129, ntau 1:5 a 1:243).

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