MR-HIFU

Magnetisk resonanstomografistyrt fokuserat högintensitetsultraljud (MR-HIFU) är en icke-invasiv behandling som använder fokuserade ultraljudsvågor för att värma upp vävnad i kroppen och orsaka att denna vävnad koagulerar utan att skada omgivande vävnad. Under HIFU-behandling penetrerar ultraljudstrålningen huden och mjukvävnad och orsakar lokaliserade höga temperaturer endast i målområdet medan hud och omgivande vävnad bibehålls intakt. Målområdet för ablation kallas behandlingscellen. I händelse av större myomvolymer utförs ablation genom att flera behandlingsceller placeras i önskat målområde och att var och en av cellerna behandlas.

MR-HIFU kombinerar HIFU-behandling med styrning genom magnetisk resonanstomografi (MRT) vilket därigenom möjliggör att målområdet kan planeras exakt och även övervaka temperaturen. MR-styrning ger tredimensionella anatomiska bilder som referensdata för behandlingsplaneringen medan bilderna från temperaturövervakning i realtid kan användas för att övervaka ablationsprocessen.

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