Chinese Journal of Medical Physics. Year 2019 Issue 06 is now available on CAOD.

In this issue: Characteristics of medical proton irradiation beams based on ultra-intense pulse laser (基于超强脉冲激光的医用质子辐射束特性研究) MU Hongchen, ,WANG Guangchang, ,LIANG Dong, ,CHEN Xu, ,ZHANG Jianwei, ,ZHENG Zhijian, ,College of Physics and Electronic Engineering, Harbin Normal University, ,Teaching and Research Section of Physics, Chengdu Medical College, ,Research Center of Laser Fusion,CAEP, , ...... page:621-625 Comparison of different fractionation regimens for early-stage nasopharyngeal carcinoma using radiobiological model (应用放射生物学模型比较早期鼻咽癌不同放疗剂量分割方案) LU Jiayang, ,HUANG Baotian, ,LI Mei, ,ZHANG Jiyong, ,Department of Radiation Oncology, Cancer Hospital of Shantou University Medical College, , ...... page:626-631 Comparison of registration of cervical vertebra in the first radiotherapy using two different fixation methods for neck tumor (两种固定方式下颈部肿瘤首次放射治疗颈椎配准比较) LU Zihong, ,DU Yi, ,YANG Jingxian, ,LI Junyu, ,YU Songmao, ,LI Tingting, ,WU Hao, ,Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiation Oncology,Peking University Cancer Hospital & Institute, ,302 Military Hospital of PLA, , ...... page:632-635 Application value of thermoplastic film combined with styrofoam fixation technology in radiotherapy for cervical cancer (热塑膜联合发泡胶固定技术在宫颈癌放疗中的应用价值) LIU Weiwei, ,WANG Meijiao, ,YANG Jingxian, ,YU Songmao, ,DU Yi, ,Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiation Oncology, Peking University Cancer Hospital & Institute, , ...... page:636-640 Verification of the accuracy of localization and dose based on optical surface monitoring system for tracking moving targets (Optical Surface Monitoring系统跟踪运动靶区的位置精度和剂量精度验证) JIN Huaizhi, ,SHI Juntian, ,DAI Zhenhui, ,WANG Xuetao, ,Radiotherapy Area, the Second Affiliated Hospital of Guangzhou University of Chinese Medicine, ,Department of Radiotherapy, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, , ...... page:641-646 Comparison between CBCT calibrations based on skeleton vs implanted markers in image-guided radiotherapy for bladder cancer (膀胱癌图像引导放疗中基于骨骼与基于内植标记物锥形束CT校准比较) TIAN Long, ,XI Qiang, ,ZHAO Xin, ,LIU Yuexia, ,ZHANG Zunhao, ,The First Affiliated Hospital of Hebei North University, ,School of Clinical Medicine, Zhangjiakou Education College, ,The First Hospital of Hebei Medical University, , ...... page:647-652 Protective effect of protective clothing on the thyroid and mammary gland in digital mammography (甲状腺-乳腺防护衣在乳腺X线摄影中降低辐射剂量的研究) LI Guangmin, ,LIN Zhikai, ,PENG Ruchen, ,FENG Zechen, ,PI Jianting, ,WANG Ziwen, ,YAO Jian, ,GUO Hongyu, ,SUN Wei, ,Department of Radiology, Beijing Luhe Hospital Affiliated to Capital Medical University, ,National Institute for Radiological Protection,China CDC, ,Beijing Center for Diseases Prevention and Control, ,Tongzhou District Center for Diseases Control and Prevention,Beijing, ,Institute for Health Surveillance,Tongzhou District Health Bureau,Beijing, ,Beijing Tongmei Kexin Testing Technology Service Co.Ltd, , ...... page:653-657 Lung 4D-CT image super-resolution reconstruction using self-similarity-based multiscale sparse representation (基于图像自相似性的多尺度稀疏表示肺4D-CT图像超分辨率重建) WANG Tingting, ,ZHANG Yu, ,Department of Medical Equipment, Nanfang Hospital, Southern Medical University, ,School of Biomedical Engineering, Southern Medical University, , ...... page:658-666 Brain morphology in patients with first-episode schizophrenia: a magnetic resonance imaging study (首发精神分裂症患者磁共振脑结构形态学研究) WANG Xingrui, ,XU Yongqiang, ,ZHU Yuanqiang, ,LI Chen, ,XI Yibin, ,HU Wenzhong, ,WANG Huaning, ,YIN Hong, ,Department of Radiology, Xijing Hospital, Air Force Medical University, ,Department of Psychosomatic Medicine, Xijing Hospital, Air Force Medical University, , ...... page:667-671 Preliminary study on intracranial iron metabolism in patients with multiple sclerosis using MR quantitative susceptibility mapping (定量磁化率成像对多发性硬化患者颅内铁沉积的初步研究) LONG Liu, ,GUO Zhuoxin, ,ZHANG Li’na, ,KANG Zhuang, ,CHEN Shaoqiong, ,Department of Radiology, the Third Affiliated Hospital of Sun Yat-sen University, , ...... page:672-676 Predictive value of PET feature change in radiotherapy for non-small cell lung cancer (PET特征改变对非小细胞肺癌放射治疗的预测价值) LUO Judong, ,MA Changsheng, ,ZHAO Rui, ,MA Changdong, ,Department of Oncology, the Affiliated Changzhou No.2 People’s Hospital, Nanjing Medical University, ,Department of Radiation Oncology, Shandong Cancer Hospital Affiliated to Shandong University, ,Shandong Province Key Laboratory of Medical Physics and Image Processing Technology, Institute of Biomedical Sciences, School of Physics and Electronics, Shandong Normal University, ,Department of Radiation Oncology, Qilu Hospital of Shandong University, , ...... page:677-681 Application of MR-IVIM in the diagnosis of benign and malignant lung tumors and the evaluation of chemotherapeutic efficacy in lung cancer (磁共振体素内不相干运动在肺良恶性肿瘤的诊断效能及肺癌化疗疗效评估的应用) WANG Yi, ,LAI Qingquan, ,HUANG Meiling, ,HUANG Qiming, ,Department of CT/MRI, the Second Affiliated Hospital, Fujian Medical University, ,Department of Radiotherapy, the Second Affiliated Hospital, Fujian Medical University, , ...... page:682-688 Relationship between the MRI measurements of apparent diffusion coefficient and signal intensity ratio and the development of osteoporostic lumbar vertebrae (核磁共振成像影像测量表观扩散系数、信号强度比值与骨质疏松腰椎疾病发生发展的关系) PENG Haizhou, ,ZHANG Zijun, ,ZHAO Wen, ,ZHENG Xiaofeng, ,Department of Orthopedics, Beijing Aerospace Hospital, ,Department of Radiology, Beijing Aerospace Hospital, , ...... page:689-692 Diagnostic value of MRI in patients with acute cerebral infarction and the changes in apparent diffusion coefficient of infarct lesions (MRI诊断急性脑梗死的价值及梗死病灶ADC值的变化) LIN Jingfu, ,Department of Radiology, Liuzhou Hospital of Traditional Chinese Medicine, , ...... page:693-696 Therapeutic effect of ultrasound-guided microwave ablation for refractory hyperthyroidism (超声引导下微波消融治疗难治性甲亢临床疗效) DU Xiaomei, ,LI Mingrui, ,WU Rangbing, ,WANG Hua, ,SONG Jianqiong, ,Department of Endocrinology and Metabolism, Dazhou Central Hopsital, ,Department of Ultrasound, Dazhou Central Hopsital, , ...... page:697-700 Evaluation of salivary gland functions in radiotherapy for head and neck tumors by 99mTcO4- dynamic imaging (99mTcO4-唾液腺动态显像评价头颈部肿瘤放射治疗对唾液腺功能的影响) TANG Wuru, ,WEI Song, ,ZHANG Fa’en, ,WEI Lingqun, ,ZHAO Liang, ,XIAO Guoyou, ,Department of Nuclear Medicine, Hechi People’s Hospital, ,Department of Oncology, Hechi People’s Hospital, ,Department of Stomatology, Hechi People’s Hospital, ,Department of Nuclear Medicine, Guangxi Medical University Affiliated Tumor Hospital, , ...... page:701-704 Effects of readout-segmented echo-planar imaging sequence on the quality of diffusion-weighted imaging in cervical cancer (分段读出平面回波成像序列对宫颈癌扩散加权成像质量的影响) LI Peng, ,LIANG Haoran, ,YANG Xu, ,ZHAO Hongbo, ,Department of Imaging Diagnosis, Xi’an Medical University, ,Department of Imaging, the Nuclear Industry 215 Hospital of Shaanxi Province, , ...... page:705-709 Heart sound signal processing and feature recognition method (心音信号的特征识别方法) CHEN Gang, ,YE Jilun, ,ZHANG Xu, ,CHEN Ping, ,LIU Jie, ,Department of Biomedical Engineering, School of Medicine, Shenzhen University, ,Guangdong Key Laboratory for Biomedical Measurements and Ultrasound Imaging, ,Shenzhen Key Laboratory of Biomedical Engineering, , ...... page:710-714 Design and implementation of wireless ECG signal acquisition system based on Arduino (基于Arduino的无线心电信号采集系统设计与实现) LIANG Weiling, ,WU Chao, ,LIN Jianbin, ,ZHONG Zhilong, ,Department of Medical Engineering, Central People’s Hospital of Huizhou City, ,Bidding Office, Central People’s Hospital of Huizhou City, , ...... page:715-720 Experimental study on the natural frequencies of gluteus maximus and triceps muscle of the calf in rats after sciatic nerve injury (坐骨神经损伤后大鼠臀大肌、小腿三头肌固有频率测定的实验研究) SHI Zhijun, ,YAN Juntao, ,YANG Bintang, ,YANG Yikun, ,KONG Yamin, ,LU Xin’gang, ,WU Dandan, ,Yueyang Hospital of Integrated Traditional Chinese and Western Medicine, Shanghai University of Traditional Chinese Medicine, ,State Key Laboratory of Mechanical System and Vibration, Shanghai Jiaotong University, , ...... page:721-726 Effects of cathode parameters on electric field distribution in transcranial direct current stimulation (经颅直流电刺激中阴极参数对电场分布的影响) LU Yawen, ,LU Mai, ,The First Clinical Medical College, Lanzhou University, ,Key Laboratory of Optoelectronic Technology and Intelligent Control, Ministry of Education, Lanzhou Jiaotong University, , ...... page:727-731 Effects of melodic intonation therapy on Broca aphasia recovery and event-related potentials (旋律语调疗法对Broca失语的恢复和事件相关电位的影响) LI Shun, ,SONG Chengxian, ,XUE Senxin, ,LIN Jun, ,LIU Xiaolan, ,Department of Rehabilitation Medicine, the Third Affiliated Hospital of Guangzhou Medical University, , ...... page:732-735 Therapeutic efficacy of low-frequency repetitive transcranial magnetic stimulation in post-stroke depression: a Meta-analysis (低频重复经颅磁刺激治疗卒中后抑郁疗效的Meta分析) CHEN Liang, ,CHEN Jie, ,JIN Ge, ,HU Ling, ,LI Xinggui, ,ZHAN Qunling, ,Department of Neurology, the Fifth People’s Hospital of Chongqing, ,Department of Medical Services,the Fifth People’s Hospital of Chongqing, , ...... page:736-744