![Dab tsi yog qhov tseem ceeb ntawm daim paib silhouette? Dab tsi yog qhov tseem ceeb ntawm daim paib silhouette?](https://i.answers-medical.com/preview/medical-health/13986414-what-is-the-significance-of-the-silhouette-sign-j.webp)
Video: Dab tsi yog qhov tseem ceeb ntawm daim paib silhouette?
![Video: Dab tsi yog qhov tseem ceeb ntawm daim paib silhouette? Video: Dab tsi yog qhov tseem ceeb ntawm daim paib silhouette?](https://i.ytimg.com/vi/8sgjA_XiFDI/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Hauv radiology, tus silhouette kos npe hais txog qhov poob ntawm ib txwm ciam teb ntawm cov qauv thoracic. Silhouette kos npe Nws yog ib qho tseem ceeb heev nyob rau hauv localizing lub ntsws lesions raws li tag nrho cov qauv tsim cardiac silhouette yog nyob rau hauv kev sib cuag nrog ib feem ntawm lub ntsws.
Hais txog qhov no, txhais li cas los ntawm lub plawv silhouette?
Lub plawv silhouette hais txog tus txheej txheem ntawm lub plawv raws li pom ntawm lub hauv ntej thiab sab hauv lub hauv siab cov duab hluav taws xob thiab ua ib feem ntawm cardiomediastinal daim duab. Qhov loj thiab cov duab ntawm lub lub plawv silhouette muab cov ntsiab lus tseem ceeb rau cov kab mob hauv qab.
Ib sab saum toj no, dab tsi yog lub plawv dhia zoo ib yam? Cov cardiac silhouette ib txwm occupies tsawg dua 50% ntawm txoj kab uas hla ntawm lub hauv siab ntawm PA radiograph. Yog tias qhov sib piv cardio-thoracic tshaj 50%, qhov cardiac silhouette tej zaum yuav loj tuaj. Qhov no tuaj yeem tshwm sim los ntawm lub plawv loj lossis los ntawm cov kua dej pericardial.
Xav txog qhov no, dab tsi yog lub plawv loj silhouette?
Kev loj hlob ntawm cardiac silhouette nyob rau hauv pem hauv ntej (los yog PA) lub hauv siab x-ray tuaj yeem yog vim muaj ntau yam ua rau 1: cardiomegaly (feem ntau ua rau kom deb) pericardial effusion. anterior mediastinal loj. qhov tseem ceeb epicardial rog ncoo.
Lordotic saib yog dab tsi?
Chest (AP lordotic saib ) Nws feem ntau yog siv los ntsuas qhov tsis txaus ntseeg nyob rau hauv lub ntsws apices uas tshwm sim los ntawm cov ntaub so ntswg overlying, sab sauv los yog clavicles ntawm lub hauv siab dhau los. saib (piv txwv li thaum muaj tuberculosis).
Pom zoo:
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