duban dan tayi da kuma launi Doppler duban dan tayi?
Kimanin shekaru 20 da suka gabata, wasu majagaba da suka himmatu wajen bullo da tsarin horar da duban dan tayi na kasashen waje, musamman wadanda suka fito daga Amurka, sun sami tarin tambayoyin aikin duban dan tayi ta Arewacin Amurka ta hanyoyi daban-daban.Wata gajeriyar amsar tambaya ta yi tambaya: Menene bambanci tsakanin launiULTRASONOGARAPHYda COLOR DOPPLER ULTRASONOGRAPHY?
Menene bambanci tsakanin launi duban dan tayi da launi Doppler duban dan tayi?
Da zaran launi Doppler duban dan tayi ya shiga kasar Sin, ana kiransa da "launi duban dan tayi".Kwararrun likitocin kasar Sin sun saba daidaita duban dan tayi da launi na Doppler, don haka kasar Sin ta ga wannan matsala a karon farko.Likitoci sun dubeta a rude basu san tambayar da ake yi ba.
A gaskiya, wannan tambaya ce mai sauƙi.
Launi na launi yana nufin nuna takamaiman sigina na bayanin faɗakarwa yayin gwajin duban dan tayi tare da ƙa'idodin coding launi na musamman, wanda shine hoton hoton launi.Waɗannan ƙayyadaddun bayanan echo na iya zama ƙarfin amsawa, canjin mitar Doppler, bayanin taurin, bayanan microbubble, da sauransu.
haka.Hoton Doppler Launi ɗaya ne kawai daga yawancin yanayin hoton launi.Yana fitar da bayanin canjin mitar Doppler daga bayanan echo kuma yana nuna shi ta hanyar lambar launi.
Baya ga hoton Doppler launi wanda muka saba da shi, bari mu kalli yanayin yanayin hoto mai launi.
Mun san cewa duban dan tayi mai girman launin toka mai girma biyu yana nuna ƙarfin siginar amsawa ta hanyar ɓoye haske.Idan muka canza launi wani yanki ko duk haske, za mu sami hoto mai launi.
A sama: Wani yanki na musamman a cikin siginar launin toka an lullube shi da shunayya (buɗaɗɗen kibiya), kuma raunin da ya yi daidai da haske ya juya shuɗi (wanda aka nuna ta da ƙaƙƙarfan kibiya).
Hanyar hoton da ke sama wacce ke ba da lambar amsawa a cikin launi ko matakan launi daban-daban ta shahara sosai a kasar Sin na wani lokaci a farkon shekarun 1990.An kira shi "2Dlauni-launiimaging" a wancan lokacin. Duk da cewa an buga takardu da yawa a wancan lokacin, a gaskiya darajar aikace-aikacen tana da iyaka sosai. A wancan lokacin, asibitoci da yawa ma sun yi amfani da wannan hoton don wucewa a matsayin launi na Doppler imaging don cajin marasa lafiya "kudadin duban launi". A gaskiya abin kunya ne.
A haƙiƙa, duk siginar launi akan hoton duban dan tayi kalar launuka ne, kuma waɗannan sigina masu launi an ƙirƙira su ta hanyar wucin gadi kuma mu saita su.
Yawancin masana'antun naultrasonic elastography, wanda a halin yanzu ya shahara sosai, kuma yana nuna taurin (ko na roba) na nama ko raunuka a cikin nau'i mai launi, don haka shi ma nau'in duban dan tayi ne.
A sama: Ƙwararren ƙwanƙwasa igiyar igiyar ruwa yana nuna madaidaicin ma'aunin rauni a cikin sikelin launi.
Lokacin da ƙananan ƙananan ƙwayoyin cuta suka fashe, za a samar da wani tasiri mai karfi wanda ba zai yiwu ba, wanda sau da yawa ba a haɗa shi da kyau tare da ƙarfin amsawa.Muna kiran wannan yanayin fitar da bayanan da ba su da alaƙa don ɗaukar hoto mara alaƙa.Ana amfani da hoton da ba a daidaita shi ba don nuna ƙananan ƙananan ƙananan ƙwayoyin cuta kuma yana da amfani sosai a cikin bincike na duban dan tayi na microbubble.Yawanci, wannan rashin daidaituwa kuma ana nunawa a cikin nau'i mai launi, don haka shi ma hoton launi ne.
A sama: p-selectin microbubble-hoton da aka yi niyya yana nuna zaɓin haɓaka bangon baya bayan ischemia, da bambance-bambancen myocardial-inhaɓakar sonographic cardiac short-axis hotuna a hagu na baya mai saukowa ischemia-sakewa a cikin mice.
(A) Ƙwararren ƙwanƙwasa-ƙarfi na duban dan tayi yana nuna lahani na gaba (kibiya) yayin ischemia na myocardial.
(B) Bayan mintuna 45 na maimaitawa.Ma'auni mai launi yana wakiltar ƙarfin hoton da ba a haɗa shi ba na microbubbles da aka yi niyya.
Hoton vector na jini a ƙasa kuma yanayin hoto ne mai launi
Lokacin aikawa: Nuwamba 11-2023
