Author

T. Sainio

3 papers indexed here

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Open access Sep 2026

Zero echo time imaging-based skull density ratio for high-intensity focused ultrasound.

PURPOSE To evaluate whether skull density ratio (SDR) estimates required for high-intensity focused ultrasound (HIFU) treatment of tremor can be accurately derived from zero echo time (ZTE) magnetic resonance images (MRI) by comparing them with measurements from computed tomography (CT) scans using an intensity profile...

R. Kälvälä, R. Sequeiros, J. Frantzén et al. · International Journal of Hyp... · 0 citations

Open access Oct 2026

Deep learning-based segmentation of non-perfused volume after magnetic resonance guided high-intensity focused ultrasound therapies: a retrospective evaluation on clinical patient data.

INTRODUCTION Non-perfused volume (NPV) is a key imaging biomarker for treatment efficacy in MR -guided high-intensity focused ultrasound (MR-HIFU). In uterine fibroids therapies, the NPV ratio is strongly associated with clinical outcomes and long-term efficacy. We developed and clinically evaluated a deep learning-bas...

Chen-Chen Bing, T. Sainio, Ari Partanen et al. · International Journal of Hyp... · 0 citations

Open access Aug 2026

Reproducibility of T2 relaxation time mapping in a phantom and human knee articular cartilage.

OBJECTIVE To quantify the reproducibility of knee articular cartilage T2 across a wide range of MR systems. MATERIALS AND METHODS The reproducibility of T2 relaxation time mapping was assessed by measuring the knee of a volunteer (n1.5 T = 22, n3T = 13) and a System Standard 130 phantom (n1.5 T = 19, n3T = 12) in 38...

H. Leskinen, Nea Pulkkinen, Antti Aarnio et al. · MAGMA · 0 citations