2020
DOI: 10.4143/crt.2019.520
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Interim Tumor Progression and Volumetric Changes of Surgical Cavities during the Surgery-to-Radiotherapy Interval in Anaplastic Gliomas: Implications for Additional Pre-radiotherapy Magnetic Resonance Imaging

Abstract: PurposeThis study was designed to investigate the incidence of interim disease progression (IPD) and volumetric changes of the surgical cavity (SC) during the surgery-to-radiotherapy interval (SRI), and eventually assess the value of magnetic resonance imaging (MRI) at the time of radiotherapy (RT) planning in newly diagnosed anaplastic gliomas.Materials and MethodsAmong 195 anaplastic glioma patients who underwent RT, 121 were evaluable with two separate MRIs during SRI. The presence of IPD was determined usi… Show more

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Cited by 2 publications
(2 citation statements)
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“…A multi-institutional benchmark test for cranial CT/MR image registration revealed an uncertainty of approximately 2 mm [20]. In 5 patients, we detected a discrepancy between the resection cavity visible in the postsurgery MRI, performed within 48 h after surgery, and the planning CT. Geometrical changes in the resection cavity before RT have also been reported in other brain tumor entities, e.g., gliomas or brain metastases [21,22]. This issue needs to be further examined in order to understand whether an additional MRI would be mandatory at the time of RT planning or even during CSI before planning and starting the TB boost.…”
Section: Role Of Mri Co-registrationmentioning
confidence: 98%
“…A multi-institutional benchmark test for cranial CT/MR image registration revealed an uncertainty of approximately 2 mm [20]. In 5 patients, we detected a discrepancy between the resection cavity visible in the postsurgery MRI, performed within 48 h after surgery, and the planning CT. Geometrical changes in the resection cavity before RT have also been reported in other brain tumor entities, e.g., gliomas or brain metastases [21,22]. This issue needs to be further examined in order to understand whether an additional MRI would be mandatory at the time of RT planning or even during CSI before planning and starting the TB boost.…”
Section: Role Of Mri Co-registrationmentioning
confidence: 98%
“…With the breakthrough progress of virtual reality (VR) technology, the intraoperative guidance effect of 3D Slicer for neurosurgery has also been gradually demonstrated. By importing the 3D visualization reconstructed image obtained by this software into mobile phone VR software, physicians are able to perform image-head fusion during brain surgery while wearing VR glasses [ 8 , 9 ], and capture the tumor information that is difficult to recognize with the naked eye, thereby greatly improving medical image registration and increase the precision of body surface localization [ 10 ], and overcoming the disadvantages of completely relying on surgeons' experience in traditional surgery. At present, several studies have explored the application value of 3D Slicer in preoperative planning, but there is still a gap in research on the application of 3D Slicer in glioma surgery.…”
Section: Introductionmentioning
confidence: 99%