Positioning deviations in frameless and frame-based intracranial stereotactic radiosurgery

Almeida, Taynná Vernalha Rocha; Silva, C.M. da; Piedade, Pedro Argôlo; Cordova, Arno Lotar; Bezerra, Cristiano Guedes; Soboll, Danyel Scheidegger; Denyak, V.; Schelin, H.R.

doi:10.1016/j.radphyschem.2019.108363

Cited by 3 publications

(2 citation statements)

References 12 publications

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“…The radiosurgery technique has been improving and frameless radiosurgery with mask-based registration has been advocated to reduce patient’s discomfort and pain, and to improve treatment tolerance [9] . The setup accuracy of frameless stereotaxy (mask-based fixation) was comparable to frame-based techniques in localization accuracy though greater motion variations were suggested [10] , [11] , [12] . Frameless radiosurgery techniques have been applied to different pathologies, including trigeminal neuralgia and brain metastasis [13] , [14] .…”

Section: Introductionmentioning

confidence: 93%

Frameless versus frame-based stereotactic radiosurgery for intracranial arteriovenous malformations: A propensity-matched analysis

He,

Ho,

Lee

et al. 2023

Clinical and Translational Radiation Oncology

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Section: Introductionmentioning

confidence: 93%

Frameless versus frame-based stereotactic radiosurgery for intracranial arteriovenous malformations: A propensity-matched analysis

He,

Ho,

Lee

et al. 2023

Clinical and Translational Radiation Oncology

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“…In cranial stereotactic radiosurgery (SRS), frame-based approaches are uncommon nowadays. Mask-based approaches have a similar precision and are far more comfortable given that they are non-invasive and less painful for patients [5] , [6] .…”

Section: Introductionmentioning

confidence: 99%

Intrafractional monitoring of patients using four different immobilization mask systems for cranial radiotherapy

Reitz

Muecke

Mendes

et al. 2022

Physics and Imaging in Radiation Oncology

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Stereotactic radiosurgery in India: A nationwide survey of technology and quality assurance practices

Patwe,

Deshpande,

Chaudhari

et al. 2024

Journal of Cancer Research and Therapeutics

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Purpose: India is rapidly adopting advanced treatments like Stereotactic Radiosurgery (SRS). However, there is a paucity of data on SRS practice. The aim of study is to assess the current status of technology and practices of machine quality assurance (QA) and patient specific quality assurance for SRS in India. Materials and Methods: A survey questionnaire was designed using Google Forms and sent to chief/senior medical physicists across 220 radiotherapy centers in India on July 15, 2022. It contained questions on infrastructure availability, treatment planning, and QA. Results: SRS was found to be extensively used for the treatment of brain metastases (99.3%), followed by meningioma (50.3%), acoustic neuroma (45.5%), and pituitary tumours (33.1%). The most commonly used photon energy and treatment technique were 6MV FFF and VMAT, respectively. A prescription isodose line ranging from 70% to 100% was selected by linac users. Most linac institutes verify pretreatment doses. There was a lack of uniformity in the analysis metrics such as Low Dose Threshold, Dose Difference, and Distance to Agreement. A survey revealed that the variety of SRS QA programs being followed at Indian radiotherapy centers. Conclusion: This is the first study to report the physics practice of SRS in India. The survey shows a need to carry out a postal dose audit for small static photon fields in India.

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Positioning deviations in frameless and frame-based intracranial stereotactic radiosurgery

Cited by 3 publications

References 12 publications

Frameless versus frame-based stereotactic radiosurgery for intracranial arteriovenous malformations: A propensity-matched analysis

Frameless versus frame-based stereotactic radiosurgery for intracranial arteriovenous malformations: A propensity-matched analysis

Intrafractional monitoring of patients using four different immobilization mask systems for cranial radiotherapy

Stereotactic radiosurgery in India: A nationwide survey of technology and quality assurance practices

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