Zhiyong Xu
Shanghai Jiao Tong University
Internal medicineRadiologyOncologyArtificial intelligencePattern recognitionRadiation treatment planningPinnacleLung cancerLungEpidermal growth factor receptorCone beam computed tomographyAdenocarcinomaNuclear medicineNon small cellBiological evaluationPlanning target volumeStereotactic body radiotherapyIn patientComputer scienceRadiation therapyMedicineDosimetryConvolutional neural network
21Publications
5H-index
65Citations
Publications 34
Newest
#1Yanhua Duan (SJTU: Shanghai Jiao Tong University)H-Index: 2
#2Yang Lin (SJTU: Shanghai Jiao Tong University)
Last. Yan Shao (SJTU: Shanghai Jiao Tong University)H-Index: 3
view all 13 authors...
Purpose: Gradient measure (GM) is a critical index related to normal tissue sparing in radiosurgery. This study aims to describe the dependence of GM on target volume and target shape for lung Stereotactic Body Radiation Therapy (SBRT) treatment plans. Methods: 307 peripheral and 119 central lung SBRT treatment plans were enrolled for this study. A least-squares regression was used for data analysis. First, the equations with different functional forms were established to determine the dependenc...
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#1Yanhua Duan (SJTU: Shanghai Jiao Tong University)H-Index: 2
#2Lijun Zhou (Fudan University)
Last. Zhiyong Xu (SJTU: Shanghai Jiao Tong University)H-Index: 5
view all 13 authors...
Objectives null This study attempts to explore a novel peripheral lung stereotactic body radiotherapy (SBRT) planning technique that can balance the pros and cons of three-dimensional conformal radiotherapy (CRT) and intensity-modulated radiation therapy (IMRT) / volumetric modulated arc therapy (VMAT). null Methods null Treatment plans were retrospectively designed based on CRT, IMRT, VMAT, and the proposed CRT-IMRT-combined (Co-CRIM) techniques using Pinnacle treatment planning system (TPS) fo...
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#3Hao Wang (SJTU: Shanghai Jiao Tong University)H-Index: 98
Purpose: The purpose of this study is to investigate whether there were predictors and cut-off points can predict the acceptable lung dose using IMRT and VMAT in radiotherapy for upper ang middle esophageal cancer. Material and Methods: 82 patients with T-shaped upper-middle esophageal cancer (UMEC) were enrolled in this retrospective study. Jaw-tracking IMRT plan (JT-IMRT), Full-arc VMAT plan (F-VMAT), and Pactial-arc VMAT plan (P-VMAT) were generated for each patient. Dosimetric parameters suc...
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#1Yan Shao (Fudan University)H-Index: 1
#2Hua Chen (Fudan University)
Last. Zhiyong Xu (SJTU: Shanghai Jiao Tong University)H-Index: 5
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This research compared differences of dosimetric and biological parameters between PET/CT-guided isotoxic SIB-IMRT plans and conventional radiotherapy plans for patients with LA-NSCLC, and it also ...
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#5Hao Wang (SJTU: Shanghai Jiao Tong University)H-Index: 98
BACKGROUND Accurate segmentation of lung lobe on routine computed tomography (CT) images of locally advanced stage lung cancer patients undergoing radiotherapy can help radiation oncologists to implement lobar-level treatment planning, dose assessment and efficacy prediction. We aim to establish a novel 2D-3D hybrid convolutional neural network (CNN) to provide reliable lung lobe auto-segmentation results in the clinical setting. METHODS We retrospectively collected and evaluated thorax CT scans...
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#1Wutian Gan (SJTU: Shanghai Jiao Tong University)H-Index: 1
#2Yanhua Duan (SJTU: Shanghai Jiao Tong University)H-Index: 2
Last. Xiao-Long Fu (SJTU: Shanghai Jiao Tong University)H-Index: 22
view all 12 authors...
Abstract null null To evaluate the dosimetric effect of intensity-modulated radiation therapy (IMRT) for postoperative non-small cell lung cancer (NSCLC), with and without the air cavity in the planning target volume (PTV). Two kinds of IMRT plans were made for 21 postoperative NSCLC patients. In Plan-0: PTV included the tracheal air cavity, and in Plan-1: the air cavity was subtracted from the PTV. For PTV, the dosimetric parameters, including Dmean, D98, D95, D2, D0.2, conformity index (CI), a...
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#1Yanhua DuanH-Index: 2
#2Yan ShaoH-Index: 3
Last. Zhiyong XuH-Index: 5
view all 10 authors...
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#3Hao Wang (SJTU: Shanghai Jiao Tong University)H-Index: 98
Background null To evaluate the dosimetric and biological benefits of the fixed-jaw (FJ) intensity-modulated radiation therapy (IMRT) technique for patients with T-shaped esophageal cancer. null Methods null FJ IMRT plans were generated for thirty-five patients and compared with jaw tracking (JT) IMRT, static jaw (SJ) IMRT and JT volumetric modulated arc therapy (VMAT). Dosimetric parameters, tumor control probability (TCP) and normal tissue complication probability (NTCP), monitor units (MUs), ...
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#8Hao Wang (SJTU: Shanghai Jiao Tong University)H-Index: 98
Objectives: This study aimed to show the advantages of each stereotactic radiosurgery (SRS) treatment option for single small brain metastasis among Gamma Knife (GK), Cone-based VMAT (Cone-VMAT), and MLC-based CRT (MLC-CRT) plans. Materials and Methods: GK, Cone-VMAT, and MLC-CRT SRS plans were retrospectively generated for eleven patients with single small brain metastasis whose volume of gross tumor volume (GTV) ranged from 0.18 cc to 0.76 cc (median volume 0.60 cc). Dosimetric parameters, tre...
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#3Hao Wang (SJTU: Shanghai Jiao Tong University)H-Index: 98
BACKGROUND Functional planning based merely on 4DCT ventilation imaging has limitations. In this study, we proposed a radiotherapy planning strategy based on 4DCT ventilation imaging and CT density characteristics. MATERIALS AND METHODS For 20 stage III non-small-cell lung cancer (NSCLC) patients, clinical plans and lung-avoidance plans were generated. Through deformable image registration (DIR) and quantitative image analysis, a 4DCT ventilation map was calculated. High-, medium-, and low-venti...
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