Assessment of intra-fraction motion during frameless image guided Gamma Knife stereotactic radiosurgery

Winnie Li; Gregory Bootsma; David Shultz; Normand Laperriere; Barbara Ann Millar; Young Bin Cho; David A. Jaffray; Caroline Chung; Catherine Coolens

doi:10.1016/j.phro.2023.100415

Assessment of intra-fraction motion during frameless image guided Gamma Knife stereotactic radiosurgery

Winnie Li, Gregory Bootsma, David Shultz, Normand Laperriere, Barbara Ann Millar, Young Bin Cho, David A. Jaffray, Caroline Chung, Catherine Coolens

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

As frameless stereotactic radiosurgery increase in use, the aim of this study was to evaluate intra-fraction motion through cone-beam CT (CBCT) and high-definition motion management (HDMM) systems. Intra-fraction motion measured between localization, repeat localization and post-treatment CBCTs were correlated to intra-faction motion indicated by the HDMM files using the Pearson coefficient (r). A total of 302 plans were reviewed from 263 patients (114 male, 149 female); 216 pairs of localization-repeat localization, and 260 localization–post-treatment CBCTs were analyzed against HDMM logs. We found the magnitude of intra-fraction motion detected by the HDMM system were larger than the corresponding CBCT results.

Original language	English (US)
Article number	100415
Journal	Physics and Imaging in Radiation Oncology
Volume	25
DOIs	https://doi.org/10.1016/j.phro.2023.100415
State	Published - Jan 2023
Externally published	Yes

Keywords

Gamma Knife
Image guidance
Intrafraction motion
Stereotactic radiosurgery

ASJC Scopus subject areas

Radiation
Oncology
Radiology Nuclear Medicine and imaging

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10.1016/j.phro.2023.100415

Cite this

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title = "Assessment of intra-fraction motion during frameless image guided Gamma Knife stereotactic radiosurgery",

abstract = "As frameless stereotactic radiosurgery increase in use, the aim of this study was to evaluate intra-fraction motion through cone-beam CT (CBCT) and high-definition motion management (HDMM) systems. Intra-fraction motion measured between localization, repeat localization and post-treatment CBCTs were correlated to intra-faction motion indicated by the HDMM files using the Pearson coefficient (r). A total of 302 plans were reviewed from 263 patients (114 male, 149 female); 216 pairs of localization-repeat localization, and 260 localization–post-treatment CBCTs were analyzed against HDMM logs. We found the magnitude of intra-fraction motion detected by the HDMM system were larger than the corresponding CBCT results.",

keywords = "Gamma Knife, Image guidance, Intrafraction motion, Stereotactic radiosurgery",

author = "Winnie Li and Gregory Bootsma and David Shultz and Normand Laperriere and Millar, {Barbara Ann} and Cho, {Young Bin} and Jaffray, {David A.} and Caroline Chung and Catherine Coolens",

note = "Publisher Copyright: {\textcopyright} 2023 The Authors",

year = "2023",

month = jan,

doi = "10.1016/j.phro.2023.100415",

language = "English (US)",

volume = "25",

journal = "Physics and Imaging in Radiation Oncology",

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T1 - Assessment of intra-fraction motion during frameless image guided Gamma Knife stereotactic radiosurgery

AU - Li, Winnie

AU - Bootsma, Gregory

AU - Shultz, David

AU - Laperriere, Normand

AU - Millar, Barbara Ann

AU - Cho, Young Bin

AU - Jaffray, David A.

AU - Chung, Caroline

AU - Coolens, Catherine

PY - 2023/1

Y1 - 2023/1

N2 - As frameless stereotactic radiosurgery increase in use, the aim of this study was to evaluate intra-fraction motion through cone-beam CT (CBCT) and high-definition motion management (HDMM) systems. Intra-fraction motion measured between localization, repeat localization and post-treatment CBCTs were correlated to intra-faction motion indicated by the HDMM files using the Pearson coefficient (r). A total of 302 plans were reviewed from 263 patients (114 male, 149 female); 216 pairs of localization-repeat localization, and 260 localization–post-treatment CBCTs were analyzed against HDMM logs. We found the magnitude of intra-fraction motion detected by the HDMM system were larger than the corresponding CBCT results.

AB - As frameless stereotactic radiosurgery increase in use, the aim of this study was to evaluate intra-fraction motion through cone-beam CT (CBCT) and high-definition motion management (HDMM) systems. Intra-fraction motion measured between localization, repeat localization and post-treatment CBCTs were correlated to intra-faction motion indicated by the HDMM files using the Pearson coefficient (r). A total of 302 plans were reviewed from 263 patients (114 male, 149 female); 216 pairs of localization-repeat localization, and 260 localization–post-treatment CBCTs were analyzed against HDMM logs. We found the magnitude of intra-fraction motion detected by the HDMM system were larger than the corresponding CBCT results.

KW - Gamma Knife

KW - Image guidance

KW - Intrafraction motion

KW - Stereotactic radiosurgery

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Assessment of intra-fraction motion during frameless image guided Gamma Knife stereotactic radiosurgery

Abstract

Keywords

ASJC Scopus subject areas

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