Ruiyao Jiang

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PURPOSE To document the long-term efficacy of intraoperative electron radiotherapy (IOERT) followed by concurrent chemotherapy and external-beam radiotherapy (EBRT) in the management of locally advanced gastric cancer. MATERIALS AND METHODS A total of 97 consecutive patients with T3/4 or N+ gastric adenocarcinoma were enrolled. Fifty-one patients received(More)
Sparse projections are an effective way to reduce the exposure to radiation during X-ray CT imaging. However, reconstruction of images from sparse projection data is challenging. This paper introduces a new sparse transform, referred to as S-transform, and proposes an accurate image reconstruction method based on the transform. The S-transform effectively(More)
The application of KV, MV real-time digital images and 3D reconstructed radiography in quality assurance of radiotherapy, provides effective means to verify the beam center and therapeutic range, calibrate the positioning accuracy and inspect the characteristics of radiotherapy equipment and radiation physics, greatly improves the quality and accuracy of(More)
The quantity of medical equipment in hospital rise quickly recent year. It provides the comprehensive support to the clinical service. The maintenance of medical equipment becomes more important than before. It is necessary to study on the orientation and function of clinical engineer in medical equipment maintenance system. Refer to three grade health care(More)
OBJECTIVES The role of chemoradiotherapy in patients with pT3N0M0 rectal cancer is controversial. Intraoperative radiotherapy (IORT) has the ability to deliver a high, single-fraction radiation dose to tumor bed with minimal exposure of surrounding tissues. On the basis of the literature, the local failure pattern occurs mostly in the presacral-perineal(More)
The strategies and methods of the total quality management (TQM) need to applied in quality management of radiation therapy. We should improve the level of quality control and quality assurance in radiation therapy. By establishing quality control system in radiation therapy, standardization of radiation therapy workflow, strengthening quality control of(More)
OBJECTIVE To investigate the impact of metal implants with different materials on radiation dose distribution based on film measurement method. METHODS Titanium plate, titanium intramedullary pin and stainless steel plate were set into phantom and irradiated separately by 6 MV and 15 MV X ray from linear accelerator. Dose distributions derived from(More)
Construction of the digital radiotherapy network is the need of contemporary radiotherapy, and is also an important part of the construction of a modernized hospital. This article analyzes the basic technical requirements and functions of the digital radiotherapy network, and gives opinions on the application of the digital radiotherapy network.
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