European radiology
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To investigate the changes of dynamic contrast-enhanced MR imaging (DCE-MRI) parameters at 3 T in cervical cancer patients before and after concurrent chemoradiotherapy (CCRT), and to correlate the parameters with final tumour response to therapy. ⋯ • DCE-MRI offers new insights into tumour behaviour. • Changes in tumour size lag behind biomarkers which improve quickly in responders. • DCE-MRI is a non-invasive imaging technique that can characterize tumour vasculature. • DCE-MRI of cervical cancer may be useful in monitoring changes with therapy.
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To evaluate the safety and efficacy of US-guided high-intensity focused ultrasound (HIFU) ablation for the treatment of submucosal fibroids ⋯ • High-intensity focused ultrasound (HIFU) is a new minimally invasive therapeutic technique. • HIFU ablation may be safe and effective for treatment of submucosal fibroids • Treatment is minimally invasive and repeatable. • Vaginal expulsion of necrotic tissue is common after treatment.
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To detect symptomatic hemispheres during the postoperative course of subarachnoid haemorrhage (SAH) using arterial spin labelling (ASL). ⋯ • MR arterial spin labelling (ASL) can non-invasively assess cerebral blood flow (CBF) • ASL revealed significant CBF reduction in symptomatic hemispheres compared with asymptomatic hemispheres • Serial ASL measurements enable observation of time-dependent CBF changes after SAH • ASL is non- invasive and suitable for serial repeated examinations.