Results 1 to 10 of about 2,052 (140)
目的分析总结儿童附件扭转(AT)的临床特征及CT表现,提高儿童AT的诊断准确率。方法回顾性分析经手术病理证实,具有完整临床及CT资料的26例(27灶)儿童AT病例,归纳总结儿童AT的影像特征及病理学基础。根据有无临床症状,分析各种影像征象的阳性率。结果26例AT患者年龄为1 d至12岁,平均5.5岁。20例(20/26)以下腹痛为首诊症状。26例中有15例位于右侧(15/26),10例位于左侧(10/26),位于双侧者1例(1/26)。25灶(25/27)为完全性扭转,2灶(2/27,7.4 ...
鹿连伟 +5 more
doaj +2 more sources
【目的】评价64层螺旋CT在诊断冠状动脉畸形方面的临床应用价值。【方法】对38例冠状动脉畸形的64层螺旋CT资料进行回顾性分析。将原始数据传至工作站,行多平面重建(MPR)、容积再现(VR)、最大密度投影(MIP)和血管探针等后处理。10例同时行传统冠脉造影(CAG),3例行手术。【结果】38例患者畸形血管在CT图像上得以清晰显示。冠状动脉开口起源异常6例,单支冠状动脉畸形2例,冠状动脉瘘2例,冠状动脉肌桥20例,副冠状动脉8例,10例CAG结果9例与CT一致,1例右侧冠状动脉高位开口CAG误诊为缺如 ...
王思云 +5 more
doaj +2 more sources
超声二次谐波心肌造影与双核素心肌显像对心肌灌注的评价 [PDF]
【目的】对比研究超声二次谐波心肌声学造影与双核素心肌显像对心肌灌注的诊断价值。【方法】对14 例冠心 病人和6 例可疑冠心病者进行冠脉造影(CAG)、经静脉超声二次谐波心肌声学造影(MCE)和双核素单光子发射计算机体层 摄影术(SPECT)心肌显像三项检查, 共入选冠脉60 支和心肌区段180 个。MCE 和SPECT 以左心室9 段分法进行心肌灌注 记分, 以CAG 结果为金标准进行MCE 和SPECT 的对比分析。【结果】对冠心病的诊断价值:MCE 和SPECT 敏感性均为 92.8 ...
梁 旭, 董少红
doaj +2 more sources
本文首先介绍了无人机摄影测量技术获取数字高程模型(digital elevation model,缩写为DEM)和地貌数据(正射影像)的作业流程,对比分析了三种不同质量密集点云生成的DEM在水平位置和高程上的差异;然后以1709年中卫南M7½大地震的主体地表破裂带为例,提取其上地震断层的垂直位错量和水平位移量。研究结果显示:高质量密集点云生成的DEM分辨率可达厘米级,且处理时间不需太长,其水平位置和高程与另外两种质量密集点云生成的DEM差异均小于0.100 m;基于高质量密集点云可生成6.33 cm ...
Chao Liu +4 more
doaj +1 more source
Diagnosis of solitary eosinophilic granuloma by CT, MRI, and 18F-FDG PET/CT: two clinical cases [PDF]
This paper presents two clinical cases of eosinophilic granuloma of bone diagnosed by CT, MRI, and 18F-FDG PET/CT. In both cases the patients were admitted to the clinic with suspected primary malignant bone tumor and the diagnosis of a solitary ...
Bulanov, Dmitriy V., Gelezhe, Pavel B.
core +2 more sources
CiteSpace-based Document Information Visualization of Literature Published by Journal of Forensic Medicine from 1985 to 2018 [PDF]
Objective To analyze a knowledge web of the literature published by Journal of Forensic Medicine from its founding in 1985 to 2018, describe the evolving process of forensic science research and explore the research hotspots and frontiers at present ...
XIE Xiao-ping, PAN Zhen-jie, WANG Kang,et al
core +1 more source
随着激光技术、计算机技术与图像处理分析技术的飞速发展,单一模态的医学影像技术正向一体化、多模态及跨尺度影像技术进行革命性转变。多模态影像技术不仅可以实现对同一生物体进行多角度、多参数及分子层面的结构与功能综合特征信息的提取,而且可以弥补单一模式存在的局限性与不足,从而提高疾病早期检测的准确性,为患者提供更加经济合理、精准有效的诊疗方案,对提高人们的生活质量具有非常重要的临床意义。本文重点阐述目前光声/超声双模态成像技术在生物医学以及脑相关疾病中的应用及新进展 ...
刘基嫣 +5 more
core +1 more source
Application of Virtual Anatomy Technology in Postmortem Examination of Medical Dispute Cases [PDF]
Objective To discuss the application value of CT scanning technology in cause of death determination of medical dispute cases. Methods From July 2017 to December 2018, postmortem CT imaging data of 12 medical dispute cases were collected.
JIN Xin, ZHAO Jian-xin, YAO Yi, et al.
core +1 more source
Value of 18F-PSMA PET/MRI for early diagnosis of recurrence and metastasis in prostate cancer patients after radical prostatectomy [PDF]
Objective: To investigate the value and significance of 18F-prostate-specific membrane antigen (18F-PSMA)-1007 PET/MR for early diagnosis of recurrence and metastasis in prostate cancer patients after radical prostatectomy (RP).
ZHOU Yilei, ZHANG Miao, GUO Rui, ZHOU Jinxin, LI Biao, LI Xiang
core +1 more source
磁共振成像与CT在膝关节交叉韧带损伤诊治重建中的效果 [PDF]
交叉韧带是膝关节中起最大作用的一个部分,它能通过限制小腿的内翻、外翻和前后移动来保持膝关节的稳定,对膝关节的运动有着重要作用。交叉韧带连接胫骨髁间隆起和股骨髁间窝,以铰链形式存在,防止胫骨朝着股骨方向前后移位[1]。膝关节的交叉韧带分为两条:前交叉韧带与后交叉韧带,它们位置不同,所起的作用也有较大差异 ...
林建忠, 林玉琳, 肖东健
core +1 more source

