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Hippocampus sparing contouring

WebbHippocampal Contouring: A Contouring Atlas for RTOG 0933 Vinai Gondi, M.D.1 Wolfgang A. Tome, Ph.D. 1 Howard A. Rowley, M.D.2 Minesh P. Mehta, M.D. 3 … Webb9 jan. 2024 · The left hippocampus sparing was higher with IMRT. Compared to VMAT, the dose to the hippocampi, amygdalae and temporal lobes was significantly decreased in the IMRT plans. Conclusions: Dosimetric comparison of WV-RT/TB in IGCT suggests PBS-PT's advantage over photons in conformality and NOAR sparing, whereas IMRT's …

RADIATION THERAPY ONCOLOGY GROUP RTOG 0933 A PHASE II …

WebbNational Center for Biotechnology Information WebbRed: Hippocampus MR Images courtesy of: Holmes CJ, Hoge R, Collins L, et al. "Enhancement of MR Images Using Registration for Signal Averaging" Journal of Computer Assisted Tomography 22, 324-333 (1998) 11 Continue contouring in a cephalad (superior) direction, medial to the temporal horn of the lateral ventricle and … how is bed bugs spread https://lgfcomunication.com

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Webb30 dec. 2024 · To streamline workflow, we evaluated MRI-atlas based auto-contouring of the hippocampus generated in Elements Treatment Planning System (TPS) compared … Webb31 mars 2024 · Sparing of the hippocampus was evaluated considering the mean dose, the D98% and D2%, as well as the equivalent dose in 2 Gy fractions (EQD2) with an … Webb18 feb. 2024 · In dual-arc conventional volumetric modulated arc therapy (dac-VMAT), the large irradiation field for whole brain planned target volume (PTV) requires a wide jaw opening in which substantial low dose volume to the hippocampus may be produced due to suboptimal multi-leaf collimator (MLC) movements. how is beef graded in the usa

Optimization of hippocampus sparing during whole brain

Category:Hippocampal Avoidance During Whole-Brain Radiotherapy Plus …

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Hippocampus sparing contouring

Whole-brain irradiation with hippocampal sparing and dose …

Webb16 juni 2014 · In “sparing” plans for the hemispheric HGG cases, it was possible to reduce the mean physical dose to the contralateral hippocampus planning-at-risk volume by …

Hippocampus sparing contouring

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Webb30 mars 2024 · Hippocampus as delineated according to the RTOG atlas shown in (A) axial, (B) coronal, and (C) sagittal planes in a representative patient with diagnosis of craniopharyngioma receiving SCRT, (D) beams eye view depicting the prescribed dose wash encompassing the tumor and sparing of the hippocampi, and (E) dose volume … Webb30 okt. 2024 · The hippocampal contours were generated automatically (except for minor manual edits in 1% of cases); although not timed here, these contours are typically …

Webb20 feb. 2024 · We hypothesized that hippocampal-sparing radiotherapy via volumetric modulated arc therapy (VMAT) could preserve the neurocognitive function (NCF) of patients with primary brain tumors treated with radiotherapy. We reviewed data from patients with primary brain tumors who underwent hippocampal-sparing brain … WebbHippocampal contouring was performed according to the Radiation Therapy Oncology Group (RTOG) 0933 protocol and the work of Chera et al. on axial images, sequentially …

Webb16 maj 2024 · Contouring was performed on axial images, in clinical condition. Coronal and sagittal projections were also used to check the appropriateness of the … Webb14 feb. 2024 · Hippocampal contouring and HA-WBRT planning directives have been previously described, 11, 13 with bilateral hippocampal contours manually generated on the fused thin-slice magnetic resonance imaging (MRI)-computed tomography image set and expanded by 5 mm to generate the HA region.

Webb1 sep. 2024 · Forty-two clinical cases were contoured according to guidelines. A new dosimetric scorecard was created as an objective measure for plan quality. The new Hippocampal Sparing Whole Brain Version 2 (HSWBv2) model adopted a complex recursive training process and was validated with five additional cases.

Webb12 aug. 2024 · The NVALT11 trial investigated PCI without hippocampal sparing in patients with non–small-cell lung cancer and showed a higher percentage of physician-rated neurocognitive impairment in the PCI arm compared with the observation arm. 9 On the other hand, the multicenter randomized phase III HA-PCI trial did not support a … how is beef collagen madeWebbPurpose Hippocampus-avoidance whole brain radiotherapy with simultaneous integrated boost (HA-WBRT+SIB) is a complex treatment option for patients with multiple brain … highland beach fl property appraiserWebb15 nov. 2010 · Purpose: Sparing the hippocampus during cranial irradiation poses important technical challenges with respect to contouring and treatment planning. Herein we report our preliminary experience with whole-brain radiotherapy using hippocampal sparing for patients with brain metastases. highland beach flower shophttp://amos3.aapm.org/abstracts/pdf/77-22550-313436-91048.pdf highland beach florida real estateWebb14 aug. 2014 · Red: Hippocampus Amygdala Uncus As contouring proceeds postero-cranially, the anterior boundary of the hippocampus is defined by the anterior edge of … highland beach florida restaurantsWebb16 maj 2024 · In particular, in cranial radiotherapy the contouring accuracy is a key factor in sparing organs at risk especially in hippocampus sparing, because of both anatomical complexity of this structure and clinical implications related to hippocampal injury. highland beach homes for saleWebbWe explain how to contour the hippocampus on axial T1 echo sequence magnetic resonance images with intravenous gadolinium. Results: Step 2: Contour inferiorly … highland beach florida restaurants on beach