MRI methods for the evaluation of high intensity focused ultrasound tumor treatment: current status and future needs

S.J.C.G. Hectors, I. Jacobs, C.T.W. Moonen, G.J. Strijkers, K Nicolaij

    Onderzoeksoutput: Bijdrage aan tijdschriftArtikel recenserenpeer review

    49 Citaten (Scopus)
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    Samenvatting

    Thermal ablation with high intensity focused ultrasound (HIFU) is an emerging noninvasive technique for the treatment of solid tumors. HIFU treatment of malignant tumors requires accurate treatment planning, monitoring and evaluation, which can be facilitated by performing the procedure in an MR-guided HIFU system. The MR-based evaluation of HIFU treatment is most often restricted to contrast-enhanced T1-weighted imaging, while it has been shown that the non-perfused volume may not reflect the extent of nonviable tumor tissue after HIFU treatment. There are multiple studies in which more advanced MRI methods were assessed for their suitability for the evaluation of HIFU treatment. While several of these methods seem promising regarding their sensitivity to HIFU-induced tissue changes, there is still ample room for improvement of MRI protocols for HIFU treatment evaluation. In this review article, we describe the major acute and delayed effects of HIFU treatment. For each effect, the MRI methods that have been - or could be - used to detect the associated tissue changes are described. In addition, the potential value of multiparametric MRI for the evaluation of HIFU treatment is discussed. The review ends with a discussion on future directions for the MRI-based evaluation of HIFU treatment.

    Originele taal-2Engels
    Pagina's (van-tot)302-317
    Aantal pagina's16
    TijdschriftMagnetic Resonance in Medicine
    Volume75
    Nummer van het tijdschrift1
    DOI's
    StatusGepubliceerd - 1 jan. 2016

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