Nyob zoo, tsis muaj mob qog noj ntshav tuaj yeem tshwm sim raws li focal asymmetry. Kev mob qog noj ntshav mis tuaj yeem tshwm sim raws li thaj tsam ntawm focal asymmetry lossis thaum muaj qib siab tuaj yeem tshwm sim raws li qhov asymmetry tshiab hauv lub mis loj. Qhov no yog vim li cas koj yuav tsum tau tham nrog koj tus kws kho mob yog tias koj pom qhov hloov pauv tsis tau piav qhia ntawm lub mis loj.
pes tsawg feem pua ntawm focal asymmetry yog mob qog noj ntshav?
Vim 82.7% ntawm asymmetries yog vim benign superimposition ntawm lub mis cov ntaub so ntswg, tseem hu ua summation artifact, tag nrho cov yuav mob malignancy yog 1.8% nyob rau hauv kev tshuaj ntsuam-nrhiav kis (3). Cov kev tsis txaus ntseeg tsis tu ncua tau raug tshaj tawm tias muaj mob tsis zoo hauv 10.3% ntawm cov neeg kuaj pom (3).
Puas yog Focal asymmetry hnyav?
Qhov kev txhawj xeeb tshaj plaws uas cuam tshuam nrog thaj chaw focal ntawm lub mis asymmetry lossis kev sib txawv ntawm cov vaj tsev yog ib qho palpable huab hwm coj (,, , Fig 14), uas feem ntau yuav tsum tau kuaj ntshav. Tsis tas li ntawd, qhov chaw tshiab lossis loj ntawm asymmetry lossis distortion uas tsis tuaj yeem piav qhia los ntawm cov tshuaj hormonal feem ntau warrants biopsy (,, , fig 15).
Puas yog Focal asymmetry feem ntau benign?
Ntawm cuaj tus neeg mob uas tau mus rau Tebchaws Meskas, tsuas yog tsib tus neeg pom qhov txawv txav. Hauv peb tus neeg mob uas tau MRI, lub focal asymmetry tau txhais ua benign. Tag nrho 16 tus qauv biopsy tau tshaj tawm tias yog benign. Ntawm 13 muaj rau kev tshuaj xyuas, txhua qhov pompov thawj ntawm fibrocystic hloov tab sis tsis muaj microcalcifications lossis carcinoma.
Dab tsi ua rau focal asymmetry ntawm mammogram?
Qhov feem ntau ua rau qhov asymmetry ntawm kev tshuaj ntsuam mammography yog superimposition ntawm ib txwm mis cov ntaub so ntswg (summation artifact) 6. Asymmetries tom qab tau lees paub tias yog qhov mob tiag tiag tuaj yeem sawv cev rau lub ntsej muag asymmetry lossis loj, uas nws yog ib qho tseem ceeb rau kev ntsuas ntxiv kom tsis suav nrog mob qog noj ntshav 5.
