Radiotherapy and Oncology
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#1Laísa Pereira de Melo (USP: Universidade de São Paulo)
#2Gustavo Arruda Viani (USP: Universidade de São Paulo)H-Index: 4
Last. Jayter Silva Paula (USP: Universidade de São Paulo)H-Index: 14
view all 3 authors...
Abstract null null Objectives null The management of Optic Nerve Sheath Meningiomas (ONSM) has suffered a significant shift due to new radiation techniques. However, there is no conclusive information on which approach presents better results in the literature. This meta-analysis aims to evaluate the outcomes of different radiotherapy (RT) modalities in the management of ONSM. null null null Methods null A systematic review based on an electronic search was performed in MEDLINE, EMBASE, Cochrane...
#1Johan Wennerberg (Lund University)H-Index: 38
#2Maria Gebre-Medhin (Lund University)H-Index: 3
Last. Björn Zackrisson (Umeå University)H-Index: 30
view all 11 authors...
Abstract null null Background and purpose null An earlier prospective randomised multicentre study (ARTSCAN) in head and neck cancer patients that compared conventionally fractionated radiotherapy (CF) with accelerated radiotherapy (AF) was inconclusive. In the subgroup of oral cavity squamous cell cancer (OCSCC) a large absolute, but not statistically significant, difference in local control was seen in favour of AF. This difference was more pronounced in resectable tumours. The finding raised ...
#1A.M. Couwenberg (Netherlands Cancer Institute)
#2Uulke A. van der Heide (Netherlands Cancer Institute)H-Index: 23
Last. Marlies E. Nowee (Netherlands Cancer Institute)H-Index: 11
view all 8 authors...
Abstract null null The master protocol trial design aims to increase efficiency in terms of trial infrastructure and protocol administration which may accelerate development of (technical) innovations in radiation oncology. A master protocol to study feasibility of techniques/software for MR-guided adaptive radiotherapy with the MR-Linac is described and discussed.
#1Zepang Sun (SMU: Southern Medical University)H-Index: 5
#2Yuming Jiang (SMU: Southern Medical University)H-Index: 16
Last. Guoxin Li (SMU: Southern Medical University)H-Index: 34
view all 20 authors...
Abstract null null Background null Specific diagnosis and treatment of gastric cancer (GC) require accurate preoperative predictions of lymph node metastasis (LNM) at individual stations, such as estimating the extent of lymph node dissection. This study aimed to develop a radiomics signature based on preoperative computed tomography (CT) images, for predicting the LNM status at each individual station. null null null Methods null We enrolled 1506 GC patients retrospectively from two centers as ...
BACKGROUND AND PURPOSE Accelerated partial breast irradiation (APBI) may benefit from the MR-Linac for target definition, patient setup, and motion monitoring. In this planning study, we investigated whether prone or supine position is dosimetrically beneficial for APBI on an MR-Linac and we evaluated patient comfort. MATERIALS AND METHODS Twenty-patients (9 postoperative, 11 preoperative) with a DCIS or breast tumor <3 cm underwent 1.5 T MRI in prone and supine position. The tumor or tumor bed ...
#1Ting Martin Ma (UCLA: University of California, Los Angeles)H-Index: 10
#2Soumyajit Roy (Rush University Medical Center)
Last. Amar U. Kishan (UCLA: University of California, Los Angeles)H-Index: 22
view all 27 authors...
Background and purpose null The Phoenix definition for biochemical failure (BCF) after radiotherapy uses nadir PSA (nPSA)+2ng/mL to classify a BCF and was derived from conventionally fractionated radiotherapy, which produces significantly higher nPSAs than stereotactic body radiotherapy (SBRT). We investigated whether an alternative nPSA-based threshold could be used to define post-SBRT BCFs. null Materials and methods null PSA kinetics data on 2038 patients from 9 institutions were retrospectiv...
Abstract null null Uveal melanoma (UM) represents the most common primary intraocular tumor, and nowadays eye plaque brachytherapy (EPB) is the most frequently used visual acuity preservation treatment option for small to medium sized UMs. The excellent local tumor control (LTC) rate achieved by EPB may be associated with severe complications and adverse events. Several dosimetric and clinical risk factors for the development of EPB-related ocular morbidity can be identified. However, morbidity ...
#1Nils Peters (HZDR: Helmholtz-Zentrum Dresden-Rossendorf)H-Index: 3
#2Patrick Wohlfahrt (HZDR: Helmholtz-Zentrum Dresden-Rossendorf)H-Index: 14
Last. Christian Richter (HZDR: Helmholtz-Zentrum Dresden-Rossendorf)H-Index: 27
view all 10 authors...
Abstract null null Purpose null To quantifiy the range uncertainty in proton treatment planning using dual-energy computed tomography (DECT) for a direct stopping-power prediction (DirectSPR) algorithm and its clinical implementation. null null null Methods and materials null To assess the overall uncertainty in stopping-power ratio (SPR) prediction of a DirectSPR implementation calibrated for different patient geometries, the influencing factors were categorized in imaging, modeling as well as ...
#1Barry W. Goy (KP: Kaiser Permanente)H-Index: 3
#2Sajjad P. Syed (KP: Kaiser Permanente)H-Index: 3
Last. Chris S. Helmstedter (KP: Kaiser Permanente)H-Index: 1
view all 5 authors...
Abstract null null Purpose null To compare long-term outcomes of high-grade, primary soft-tissue-sarcoma (STS), using Ifosfamide-Doxorubicin vs local therapy alone, in histology-specific sarcomas. null null null Methods null Retrospective analysis was performed on 127 patients from 2005 to 2018, with high-grade STS of extremity or trunk, >5cm, that were either Synovial-Cell, Dedifferentiated-Liposarcoma (DDL), Myxofibrosarcoma, Round-Cell-Liposarcoma (RCLS), Undifferentiated-Pleomorphic-Sarcoma ...
#1Hyungjin Kim (SNUH: Seoul National University Hospital)H-Index: 29
#2Joo Ho Lee (SNUH: Seoul National University Hospital)H-Index: 3
Last. Jin Mo Goo (SNU: Seoul National University)H-Index: 67
view all 6 authors...
Abstract null null Background and purpose null To validate a computed tomography (CT)-based deep learning prognostication model, originally developed for a surgical cohort, in patients with primary lung cancer undergoing stereotactic ablative radiotherapy (SABR). null null null Materials and methods null This retrospective study identified patients with clinical stage T1-2N0M0 lung cancer treated with SABR between 2013 and 2018. The outcomes were local recurrence-free survival (LRFS), disease-fr...
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