【摘 要】
：
Objective To evaluate the feasibility of MD quantification for the diagnosis of bone metastasis using spectral imaging.Methods Thirty one pathologically proven malignant tumor patients,with CT,MR and
【机 构】
：
Department of Radiology, First Affiliated Hospital of Dalian Medical University,Dalian 116011,China
论文部分内容阅读
Objective To evaluate the feasibility of MD quantification for the diagnosis of bone metastasis using spectral imaging.Methods Thirty one pathologically proven malignant tumor patients,with CT,MR and PET-CT imaging confirmed the presence of spinal bone metastases (36 osteolytic bone metastases lesions,49 osteoblastic bone metastases lesions),underwent dual-energy spectral CT imaging utilizing a 64-row CT scanner.
其他文献
目的：利用宝石能谱CT物质分离技术对成年女性腰椎骨质钙含量进行定量测定,来评估宝石能谱CT对骨密度(BMD)测量方法的可行性及准确性.方法：筛选2011年6月至2012年2月期间行上腹部CT能谱GSI扫描的女性300例.除标准:患有影响体质量和骨代谢的疾病(如糖尿病、甲状腺功能亢进症、甲状旁腺机能亢进症、高泌乳素血症、库欣综合征、慢性肾衰竭、肝病、消化系统疾病、营养不良、慢性感染性疾病、卵巢切除术
目的：对健康志愿者高强度运动后骨骼肌31P-MRS与血清指标-肌酸激酶(CK)相关性分析,初步探讨31P-MRS及血清学指标-肌酸激酶(CK)在评价运动诱导肌肉损伤中的应用价值。方法：研究对象包括10名健康在校大学生,身高(168.7±4.8) cm,体质量(64.2±6.0)kg,年龄(24.9±0.7)岁。所有受试者运用短距离重复跑运动模式进行训练:反复完成30 m快速跑15次,每次以最快速度
目的：回顾性分析骨干骨肉瘤的影像表现并对照分析其与干骺端骨肉瘤的肿瘤特征。方法：由2名骨放射科医师采用双盲法分析18例经病理证实的骨干骨肉瘤的X线平片(n=18),CT(n=12)和MRI(n=15)征象。分析3种不同检查方法对影像学征象的检出率和特点并对照分析骨干骨肉瘤和干骺端骨肉瘤的肿瘤特征。结果：骨干骨肉瘤的主要影像表现为骨质破坏、层状骨膜反应伴有或不伴有Codman三角,大范围软组织肿块,
Objective To evaluate the correlation between metabolic variations in 31P-MRS with serological markers related to DOMS of skeletal muscle.Methods Ten health subjects [age (24.9±0.7) years,height (168.
Objective To clarify the usefulness of 18F-FDG PET-CT for detecting primary gastric cancer by gastric distention with mixture of milk and Meglumini Diatrizoate.Methods Sixty-eight patients (47 males,2
Objective Perinatal hypoxic-ischemic brain injury is still an important cause of neurologic disorders in children.Perinatal hypoxia ischemia is the major cause of neonatal hypoxic ischemic encephalopa
Objective Solitary fibrous tumor (SFT) is a rare spindle-cell neoplasm originating from mesenchymal fibroblast-like cells.The purpose of this study was to describe the CT and blood vessel imaging feat
Objective To evaluate the functional changes in parotid glands with gustatory stimulation pre versus post radiotherapy by using diffusion-weighted MR imaging (DWI).Methods A HIPAA-compliant waiver of
To compare the image quality and stability of contrast-enhanced T2-Sampling perfection with application optimized contrasts using different flip angle evolutions (SPACE) and 3D-Constructive Interferen
Objective To quantitatively evaluate the feasibility of material decomposition(MD) for the differential diagnosis of osteolytic bone metastases and Schmorls nodes using Spectral Imaging.Methods Fiftee