Browsing by author "Riboldi, M"
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Feasibility study on 3D image reconstruction from 2D orthogonal cine-MRI for MRI-guided radiotherapy.
Paganelli, C; Lee, D; Kipritidis, J; Whelan, B; Greer, PB; Baroni, G; Riboldi, M; Keall, PPublished 2018-06-01INTRODUCTION: In-room MRI is a promising image guidance strategy in external beam radiotherapy to acquire volumetric information for moving targets. However, limitations in spatio-temporal resolution led several authors ...Open AccessArticle -
Image-based retrospective 4D MRI in external beam radiotherapy: A comparative study with a digital phantom.
Paganelli, C; Kipritidis, J; Lee, D; Baroni, G; Keall, P; Riboldi, MPublished 2018-07-01PURPOSE: Several image-based retrospective sorting methods of 4D magnetic resonance imaging (4D MRI) have been proposed for respiratory motion reconstruction in external beam radiotherapy. However, the optimal strategy for ...Open AccessArticle -
Motion prediction in MRI-guided radiotherapy based on interleaved orthogonal cine-MRI.
Seregni, M; Paganelli, C; Lee, D; Greer, PB; Baroni, G; Keall, P; Riboldi, MPublished 2016-01-01In-room cine-MRI guidance can provide non-invasive target localization during radiotherapy treatment. However, in order to cope with finite imaging frequency and system latencies between target localization and dose delivery, ...Open AccessArticle -
MRI-guidance for motion management in external beam radiotherapy: current status and future challenges.
Paganelli, C; Whelan, B; Peroni, M; Summers, P; Fast, M; van de Lindt, T; McClelland, J; Eiben, B; Keall, P; Lomax, T; Riboldi, M; Baroni, GPublished 2018-11-20High precision conformal radiotherapy requires sophisticated imaging techniques to aid in target localisation for planning and treatment, particularly when organ motion due to respiration is involved. X-ray based imaging ...Open AccessArticle -
Quantification of lung tumor rotation with automated landmark extraction using orthogonal cine MRI images.
Paganelli, C; Lee, D; Greer, PB; Baroni, G; Riboldi, M; Keall, PPublished 2015-09-01The quantification of tumor motion in sites affected by respiratory motion is of primary importance to improve treatment accuracy. To account for motion, different studies analyzed the translational component only, without ...Open AccessArticle -
A ROI-based global motion model established on 4DCT and 2D cine-MRI data for MRI-guidance in radiation therapy.
Garau, N; Via, R; Meschini, G; Lee, D; Keall, P; Riboldi, M; Baroni, G; Paganelli, CPublished 2019-02-05In-room magnetic resonance imaging (MRI) allows the acquisition of fast 2D cine-MRI centered in the tumor for advanced motion management in radiotherapy. To achieve 3D information during treatment, patient-specific motion ...Open AccessArticle -
Time-resolved Volumetric MRI in MRI-guided Radiotherapy: An in Silico Comparative Analysis
Paganelli, C; Portoso, S; Garau, N; Meschini, G; Via, R; Buizza, G; Keall, P; Riboldi, M; Baroni, GPublished 2019-01-01MRI-treatment units enable 2D cine-MRI centred in the tumour for motion detection in radiotherapy, but they lack 3D information due to spatio-temporal limits. To derive time-resolved 3D information, different approaches ...Open AccessArticle
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