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Helena Garcia Schuler

Explore the profile of Helena Garcia Schuler including associated specialties, affiliations and a list of published articles. Areas
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Articles 12
Citations 123
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Recent Articles
1.
Ehrbar S, Schrader M, Marvaso G, Perryck S, van Timmeren J, Pavic M, et al.
Phys Imaging Radiat Oncol . 2023 Dec; 28:100509. PMID: 38045640
Radiotherapy in expiration breath-hold (EBH) has the potential to reduce treatment volumes of abdominal targets compared to an internal target volume concept in free-breathing. The reproducibility of EBH and required...
2.
Ehrbar S, Braga Kaser S, Chamberlain M, Krayenbuhl J, Wilke L, Mayinger M, et al.
Radiother Oncol . 2022 Jul; 174:101-108. PMID: 35839937
Purpose: This study aims to investigate the efficiency and the geometric as well as the dosimetric benefit of magnetic-resonance guided beam gating for stereotactic treatments in moving organs. Method: Patients...
3.
Wahlstedt I, Andratschke N, Behrens C, Ehrbar S, Gabrys H, Garcia Schuler H, et al.
Radiother Oncol . 2022 Mar; 170:205-212. PMID: 35351536
Background And Purpose: MR-guided radiotherapy (MRgRT) allows real-time beam-gating to compensate for intra-fractional target position variations. This study investigates the dosimetric impact of beam-gating and the impact of PTV margin...
4.
van Timmeren J, Chamberlain M, Bogowicz M, Ehrbar S, Dal Bello R, Garcia Schuler H, et al.
Cancers (Basel) . 2021 Nov; 13(21). PMID: 34771567
The aim of this study was to quantify anatomical changes of parotids and submandibular glands and evaluate potential dosimetric advantages during weekly adaptive MR-guided radiotherapy (MRgRT) for the definitive treatment...
5.
Bogowicz M, Pavic M, Riesterer O, Finazzi T, Garcia Schuler H, Holz-Sapra E, et al.
Front Oncol . 2021 Jun; 11:664304. PMID: 34123824
Purpose: Radiomics has already been proposed as a prognostic biomarker in head and neck cancer (HNSCC). However, its predictive power in radiotherapy has not yet been studied. Here, we investigated...
6.
Mayinger M, Ludwig R, Christ S, Dal Bello R, Ryu A, Weitkamp N, et al.
Radiat Oncol . 2021 May; 16(1):84. PMID: 33947429
Purpose: To assess the effects of daily adaptive MR-guided replanning in stereotactic body radiation therapy (SBRT) of liver metastases based on a patient individual longitudinal dosimetric analysis. Methods: Fifteen patients...
7.
van Timmeren J, Chamberlain M, Krayenbuehl J, Wilke L, Ehrbar S, Bogowicz M, et al.
Phys Imaging Radiat Oncol . 2021 Apr; 17:43-46. PMID: 33898777
The optimal approach for magnetic resonance imaging-guided online adaptive radiotherapy is currently unknown and needs to consider patient on-couch time constraints. The aim of this study was to compare two...
8.
Chamberlain M, Krayenbuehl J, van Timmeren J, Wilke L, Andratschke N, Garcia Schuler H, et al.
Strahlenther Onkol . 2021 Apr; 197(12):1093-1103. PMID: 33891126
Purpose: Purpose of this study is to evaluate plan quality on the MRIdian (Viewray Inc., Oakwood Village, OH, USA) system for head and neck cancer (HNC) through comparison of planning...
9.
Birrer D, Tschuor C, Reiner C, Fritsch R, Pfammatter T, Garcia Schuler H, et al.
Swiss Med Wkly . 2021 Feb; 151:w20390. PMID: 33631027
Colorectal cancer is the third most common cancer worldwide. Half of CRC patients develop liver metastases during the course of the disease, with a 5-year survival rate close to zero...
10.
van Timmeren J, Chamberlain M, Krayenbuehl J, Wilke L, Ehrbar S, Bogowicz M, et al.
Radiat Oncol . 2020 Aug; 15(1):203. PMID: 32825848
Background: Online adaptive radiotherapy is intended to prevent plan degradation caused by inter-fractional tumor volume and shape changes, but time limitations make online re-planning challenging. The aim of this study...