搜索结果: 151-165 共查到“知识库 临床放射学”相关记录191条 . 查询时间(0.794 秒)
通过对鼻咽癌患者放射治疗可引起急性口腔黏膜反应和急性干燥症, 活血利咽汤及金因肽治疗可否减少患者的口腔粘膜反应和干燥症。方法:将经过病理学检查确诊为鼻咽癌并接受放疗的初治患者60例,随机分成治疗组和对照组各30例,治疗组在放疗前、中、后采用拟定好的综合治疗措施;对照组采用庆大霉素生理盐水液含漱(生理盐水500ml 加庆大霉素16 万单位配制) 。两组病例均按照常规方法放疗, 放疗剂量每日一次（1....
卵巢卵泡膜细胞瘤的MRI表现
卵巢肿瘤 卵泡膜细胞瘤 磁共振成像
<
2014/5/30
观察卵巢卵泡膜细胞瘤的MRI表现特点。方法 回顾性分析16例经手术病理证实的卵巢卵泡膜细胞瘤患者的MRI表现,并分析其MRI表现特征及其病理基础。结果 16例患者肿瘤均为单发,呈边缘清晰的球形或边缘呈分叶状的实性肿块,大小2.4 cm×2.4 cm×2.2 cm~15.4 cm×10.6 cm×7.8 cm。MR平扫病灶T1WI呈等或略低信号,T2WI呈欠均匀的等或低信号,内可见点状、片状或裂隙状...
128排CT灌注成像诊断脑血管疾病
灌注成像 体层摄影术 X线计算机 缺血性脑血管病
<
2014/5/27
探讨128排CT全脑灌注成像在缺血性脑血管疾病中的临床应用价值。 方法 对40例拟诊为缺血性脑血管病的患者,均在发病24 h内行头颅CT平扫、头颅CT灌注(CTP)检查,在发病24~72 h内复查MR DWI。分别将CT检出的病灶和MRI检出的病灶与CTP结果相比较。 结果 40例患者中,常规CT平扫于17例患者中共发现20个病灶,CTP检出42个病灶。CTP较常规CT平扫多检出的22个病灶中,1...
右侧气管性支气管分类法的探讨
支气管肺发育不良 体层摄影术 X线计算机 分类法
<
2014/6/6
探讨右侧气管性支气管(TB)分型的方法。方法 回顾性分析33例TB患者的多层螺旋CT(MSCT)原始图像及部分重建图像,并复习相关文献。结果 所有患者按起始部位分6型:气管型20例,右主支气管型5例,中间段支气管型、中叶型各1例,下叶型0例,交界型6例;按变异支气管分4型:尖段型28例,前段及后段型均0例,混合型5例;综合上述两种分型方法得出复合型分型法,命名方式为"变异支气管-起始部位"。结论 ...
建立一个基于SPECT功能图像的肝脏虚拟手术评估系统。方法 在VC++环境下,用MITK作为算法平台,对肝脏SPECT断层图像进行三维表面绘制;在绘制结果上交互式添加控制点,利用控制点插值生成切割曲面。结果 在实现三维表面绘制的基础上,仅利用二维输入输出设备,实现任意曲面切割的虚拟手术设计,可以计算虚拟手术前后的肝功能。结论 本系统可以应用于肝脏SPECT虚拟手术及术前肝功能评估,从而减小手术风险...
盆腹部促纤维组织增生性小圆细胞瘤的CT表现:6例报告及文献复习
腹部肿瘤 盆腔肿瘤 体层摄影术 X线计算机
<
2014/6/4
探讨盆腹部促纤维组织增生性小圆细胞瘤(DSRCT)的CT特征。方法 回顾性分析6例经病理证实的盆腹部DSRCT的临床及CT资料,并结合文献复习分析其CT表现。结果 6例盆腹部DSRCT的CT表现可分三种类型:①腹膜单发或多发肿块型3例,表现为腹膜腔内单发或多发肿块,密度不均匀,内可见小斑点状钙化;②腹膜弥漫增厚型1例,表现为腹膜弥漫不规则增厚,无明确肿块或结节形成;③腹膜后或盆腹腔脏器源性单发或多...
观察鼻咽癌放、化疗配合颈部淋巴结微波热疗的近期及远期疗效。154例初治N2～N3期鼻咽癌患者分为2组：对照组78例，5-氟脲嘧啶+顺铂联合化疗，21 d为1周期，化疗1～2周期后行常规放疗，原发灶放疗剂量DT70～78 Gy/35～39 f,47～51 d，颈淋巴结转移灶DT68～72 Gy/34～36 f,46～50 d；热疗组76例，放、化疗方法同对照组，颈淋巴结于放疗第1天开始配合局部微波热...
The importance of attenuation correction for coincidence positron tomography on Hybrid PET/SPECT Gamma system
coincidence positron tomography Hybrid PET/SPECT Gamma system
<
2010/1/6
The importance of attenuation correction for coincidence positron tomography on Hybrid PET/SPECT Gamma system/.
Bone mass density in normal Iranian population - Shariati Hospital (1996)
Bone mass density Hologic standards Absorptiometry
<
2010/1/6
Introduction: The bone mass density (BMD) may vary in different countries due to different genetic and environmental factors. This study was performed to determine the BMD of the normal population in ...
Quantitative assessment of salivary gland function by radioisotopic scanning in a randomized trial of Pilocarpine for prevention of radiation induced Xerostomia
Quantitative assessment salivary gland function radioisotopic scanning aPilocarpine radiation Xerostomia
<
2010/1/6
Introduction: Radioisotope scanning is the best method for objective assessment of salivary gland function. Thus, it was used in a randomized trial of concomitant pilocarpine for assessment of radiati...
Comparison of IVP-simulator and 99mTc-DMSA renal scaning for renal localization and shielding in candidates for radiation therapy
IVP-simulator 99mTc-DMSA renal scaning radiation therapy
<
2010/1/5
To minimize renal radiation in abdomical radiotherapy, shielding of the kidneys is essential. IVP-simulator is used as an standard method. In this study, we used 99mTc-DMSA to localize and shield the ...
二维氢质子磁共振波谱分析鉴别胶质瘤术后复发和放射性脑损伤
胶质瘤 复发 放射治疗 磁共振波谱成像
<
2014/6/3
评价二维氢质子磁共振波谱(2D 1H-MRS)对胶质瘤术后复发和放射性脑损伤的鉴别作用。方法 应用Siemens 3.0T MR对35例脑胶质瘤术后放疗后常规MR检查出现新强化灶患者行2D 1H-MRS分析。观察病变强化区及水肿区主要代谢物,计算代谢物比值(NAA、Cho、Cr、Cho/Cr、Cho/NAA、NAA/Cr)比较各代谢物比值在肿瘤复发和放射性脑损伤患者间的差异。结果 35例中,肿瘤复...
On γ-radiation (measurements) and its effects on living organisms and human
γ-radiation Radiation effects on human
<
2010/1/4
Investigation have been carried out on the variation of γ-radiation dose (produced by radium daughters), due to changes of temperature, in order to evaluate its effects on living substances specially ...
DOSE MEASURMENT IN ULTRAVIOLET DISINFECTION OF WATER AND WASTE WATER BY CHEMICAL METHOD
Ultraviolet radiation Radiometry Actinometrv
<
2010/1/4
Chemical methods ( actinometry ) depend on the measurement of the extent to which a chemical reaction occurs under the influence of UV light. Two chemical actinometers have been used in this research....