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Abstract #2102

Conductivity imaging for assessing the treatment outcome of MR-HIFU ablation of uterine fibroids

Sin-Yuin Yeo1, Ulrich Katscher2, Young-Sun Kim3, and Holger Gruell1

1University Hospital Cologne, Cologne, Germany, 2Philips Research Europe, Hamburg, Germany, 3Samsung Medical Center, Seoul, Korea, Republic of

MR-HIFU is a non-invasive thermal therapy used to treat symptomatic uterine fibroids. During therapies, clinicians utilize information provided by MRI for treatment planning and to ensure ablation of fibroids using non-invasive temperature monitoring via PRFS thermometry. Thereafter, the therapeutic outcome is determined by measuring the non-perfused volume (NPV) following contrast agent administration. We present a case study using Electric Properties Tomography (EPT) for assessment of treatment outcome by correlating the change in conductivity to the NPV. An increase in conductivity of up to 20% was observed. Thus, EPT is a promising approach for assessment of treatment outcome.

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