Cargando…

Brain Linac-Based Radiation Therapy: “Test Drive” of New Immobilization Solution and Surface Guided Radiation Therapy

Aim: To test inter-fraction reproducibility, intrafraction stability, technician aspects, and patient/physician’s comfort of a dedicated immobilization solution for Brain Linac-based radiation therapy (RT). Methods: A pitch-enabled head positioner with an open-face mask were used and, to evaluate in...

Descripción completa

Detalles Bibliográficos
Autores principales: Gregucci, Fabiana, Bonaparte, Ilaria, Surgo, Alessia, Caliandro, Morena, Carbonara, Roberta, Ciliberti, Maria Paola, Aga, Alberto, Berloco, Francesco, De Masi, Marina, De Pascali, Christian, Fragnoli, Federica, Indellicati, Chiara, Parabita, Rosalinda, Sanfrancesco, Giuseppe, Branà, Luciana, Ciocia, Annarita, Curci, Domenico, Guida, Pietro, Fiorentino, Alba
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2021
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8709255/
https://www.ncbi.nlm.nih.gov/pubmed/34945823
http://dx.doi.org/10.3390/jpm11121351
_version_ 1784622890358931456
author Gregucci, Fabiana
Bonaparte, Ilaria
Surgo, Alessia
Caliandro, Morena
Carbonara, Roberta
Ciliberti, Maria Paola
Aga, Alberto
Berloco, Francesco
De Masi, Marina
De Pascali, Christian
Fragnoli, Federica
Indellicati, Chiara
Parabita, Rosalinda
Sanfrancesco, Giuseppe
Branà, Luciana
Ciocia, Annarita
Curci, Domenico
Guida, Pietro
Fiorentino, Alba
author_facet Gregucci, Fabiana
Bonaparte, Ilaria
Surgo, Alessia
Caliandro, Morena
Carbonara, Roberta
Ciliberti, Maria Paola
Aga, Alberto
Berloco, Francesco
De Masi, Marina
De Pascali, Christian
Fragnoli, Federica
Indellicati, Chiara
Parabita, Rosalinda
Sanfrancesco, Giuseppe
Branà, Luciana
Ciocia, Annarita
Curci, Domenico
Guida, Pietro
Fiorentino, Alba
author_sort Gregucci, Fabiana
collection PubMed
description Aim: To test inter-fraction reproducibility, intrafraction stability, technician aspects, and patient/physician’s comfort of a dedicated immobilization solution for Brain Linac-based radiation therapy (RT). Methods: A pitch-enabled head positioner with an open-face mask were used and, to evaluate inter- and intrafraction variations, 1–3 Cone-Beam Computed Tomography (CBCT) were performed. Surface Guided Radiation Therapy (SGRT) was used to evaluate intrafraction variations at 3 time points: initial (i), final (f), and monitoring (m) (before, end, and during RT). Data regarding technician mask aspect were collected. Results: Between October 2019 and April 2020, 69 patients with brain disease were treated: 45 received stereotactic RT and 24 conventional RT; 556 treatment sessions and 863 CBCT’s were performed. Inter-fraction CBCT mean values were longitudinally 0.9 mm, laterally 0.8 mm, vertically 1.1 mm, roll 0.58°, pitch 0.59°, yaw 0.67°. Intrafraction CBCT mean values were longitudinally 0.3 mm, laterally 0.3 mm, vertically 0.4 mm, roll 0.22°, pitch 0.33°, yaw 0.24°. SGRT intrafraction mean values were: i_, m_, f_ longitudinally 0.09 mm, 0.45 mm, 0.31 mm; i_, m_, f_ laterally 0.07 mm, 0.36 mm, 0.20 mm; i_, m_, f_ vertically 0.06 mm, 0.31 mm, 0.22 mm; i_, m_, f_ roll 0.025°, 0.208°, 0.118°; i_, m_, f_ pitch 0.036°, 0.307°, 0.194°; i_, m_, f_ yaw 0.039°, 0.274°, 0.189°. Conclusions: This immobilization solution is reproducible and stable. Combining CBCT and SGRT data confirm that 1 mm CTV-PTV margin for Linac-based SRT was adequate. Using open-face mask and SGRT, for conventional RT, radiological imaging could be omitted.
format Online
Article
Text
id pubmed-8709255
institution National Center for Biotechnology Information
language English
publishDate 2021
publisher MDPI
record_format MEDLINE/PubMed
spelling pubmed-87092552021-12-25 Brain Linac-Based Radiation Therapy: “Test Drive” of New Immobilization Solution and Surface Guided Radiation Therapy Gregucci, Fabiana Bonaparte, Ilaria Surgo, Alessia Caliandro, Morena Carbonara, Roberta Ciliberti, Maria Paola Aga, Alberto Berloco, Francesco De Masi, Marina De Pascali, Christian Fragnoli, Federica Indellicati, Chiara Parabita, Rosalinda Sanfrancesco, Giuseppe Branà, Luciana Ciocia, Annarita Curci, Domenico Guida, Pietro Fiorentino, Alba J Pers Med Article Aim: To test inter-fraction reproducibility, intrafraction stability, technician aspects, and patient/physician’s comfort of a dedicated immobilization solution for Brain Linac-based radiation therapy (RT). Methods: A pitch-enabled head positioner with an open-face mask were used and, to evaluate inter- and intrafraction variations, 1–3 Cone-Beam Computed Tomography (CBCT) were performed. Surface Guided Radiation Therapy (SGRT) was used to evaluate intrafraction variations at 3 time points: initial (i), final (f), and monitoring (m) (before, end, and during RT). Data regarding technician mask aspect were collected. Results: Between October 2019 and April 2020, 69 patients with brain disease were treated: 45 received stereotactic RT and 24 conventional RT; 556 treatment sessions and 863 CBCT’s were performed. Inter-fraction CBCT mean values were longitudinally 0.9 mm, laterally 0.8 mm, vertically 1.1 mm, roll 0.58°, pitch 0.59°, yaw 0.67°. Intrafraction CBCT mean values were longitudinally 0.3 mm, laterally 0.3 mm, vertically 0.4 mm, roll 0.22°, pitch 0.33°, yaw 0.24°. SGRT intrafraction mean values were: i_, m_, f_ longitudinally 0.09 mm, 0.45 mm, 0.31 mm; i_, m_, f_ laterally 0.07 mm, 0.36 mm, 0.20 mm; i_, m_, f_ vertically 0.06 mm, 0.31 mm, 0.22 mm; i_, m_, f_ roll 0.025°, 0.208°, 0.118°; i_, m_, f_ pitch 0.036°, 0.307°, 0.194°; i_, m_, f_ yaw 0.039°, 0.274°, 0.189°. Conclusions: This immobilization solution is reproducible and stable. Combining CBCT and SGRT data confirm that 1 mm CTV-PTV margin for Linac-based SRT was adequate. Using open-face mask and SGRT, for conventional RT, radiological imaging could be omitted. MDPI 2021-12-12 /pmc/articles/PMC8709255/ /pubmed/34945823 http://dx.doi.org/10.3390/jpm11121351 Text en © 2021 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Gregucci, Fabiana
Bonaparte, Ilaria
Surgo, Alessia
Caliandro, Morena
Carbonara, Roberta
Ciliberti, Maria Paola
Aga, Alberto
Berloco, Francesco
De Masi, Marina
De Pascali, Christian
Fragnoli, Federica
Indellicati, Chiara
Parabita, Rosalinda
Sanfrancesco, Giuseppe
Branà, Luciana
Ciocia, Annarita
Curci, Domenico
Guida, Pietro
Fiorentino, Alba
Brain Linac-Based Radiation Therapy: “Test Drive” of New Immobilization Solution and Surface Guided Radiation Therapy
title Brain Linac-Based Radiation Therapy: “Test Drive” of New Immobilization Solution and Surface Guided Radiation Therapy
title_full Brain Linac-Based Radiation Therapy: “Test Drive” of New Immobilization Solution and Surface Guided Radiation Therapy
title_fullStr Brain Linac-Based Radiation Therapy: “Test Drive” of New Immobilization Solution and Surface Guided Radiation Therapy
title_full_unstemmed Brain Linac-Based Radiation Therapy: “Test Drive” of New Immobilization Solution and Surface Guided Radiation Therapy
title_short Brain Linac-Based Radiation Therapy: “Test Drive” of New Immobilization Solution and Surface Guided Radiation Therapy
title_sort brain linac-based radiation therapy: “test drive” of new immobilization solution and surface guided radiation therapy
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8709255/
https://www.ncbi.nlm.nih.gov/pubmed/34945823
http://dx.doi.org/10.3390/jpm11121351
work_keys_str_mv AT greguccifabiana brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT bonaparteilaria brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT surgoalessia brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT caliandromorena brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT carbonararoberta brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT cilibertimariapaola brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT agaalberto brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT berlocofrancesco brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT demasimarina brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT depascalichristian brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT fragnolifederica brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT indellicatichiara brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT parabitarosalinda brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT sanfrancescogiuseppe brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT branaluciana brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT ciociaannarita brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT curcidomenico brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT guidapietro brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy
AT fiorentinoalba brainlinacbasedradiationtherapytestdriveofnewimmobilizationsolutionandsurfaceguidedradiationtherapy