Penumbral Dose Characteristics of Physical and Virtual Wedge Profiles

来源 :医学物理学、临床工程、放射肿瘤学(英文) | 被引量 : 0次 | 上传用户：qq460423406

【摘要】

：

Purpose: Both physical and virtual wedges are used in radiotherapy to get uniform and desired dose distribution in clinical setting. All linear accelerators of

【作者】

：

Salman Farrukh Nasir Ilyas Muh

【机构】

：

AtomicEnergyMedicalCentre,InstituteofSpaceandPlanetaryAstrophysics

【出处】

：

医学物理学、临床工程、放射肿瘤学(英文)

【发表日期】

：

2017年2期

【关键词】

：

PHYSICAL WEDGE VIRTUAL WEDGE PENUMBRA and DEVIATIONS Physical Wedge Virtual Wedg

下载到本地 , 更方便阅读

下载此文赞助VIP

声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架

论文部分内容阅读

Purpose: Both physical and virtual wedges are used in radiotherapy to get uniform and desired dose distribution in clinical setting. All linear accelerators of different venders have computer controlled dynamic wedges called virtual wedge filters. Penumbr

其他文献

武夷山专业化烘烤模式探讨

专业化烘烤是现代烟草农业中减工增效的有效方法，为了配套武夷山烟区的专业化烘烤模式，2006-2007年在武夷山市安排了专业化烘烤与普通烘烤方式的比较试验。结果表明，每hm^2烟叶

期刊

烤烟烘烤专业化flue-cured tobacco curing specialization

The Measurement Accuracy of Ball Bearing Center in Portal Images Using an Intensity-Weighted Centroi

Medical linac based imaging modalities such as portal imaging can be utilized for highly accurate measurements. An intensity-weighted centroid method for determ

期刊

SUBPIXELDetectionIntensity-WeightedCENTROIDPORTALImageMedicalLINACBallB

分级监控管理预防对重症脑外伤患儿术后压疮的效果观察

压疮是由于局部组织长期受压引起的缺氧、持续性缺血及营养不良所致的软组织溃疡性坏死,是外科患儿常见的并发症[1-2]。一旦患儿发生压疮,可增加患儿痛苦,延长患儿住院时间,

期刊

分级监控管理重症脑外伤压疮

计算机管理信息系统的安全与保密

系统的安全性与保密性是衡量计算机信息系统开发成功与否的重要标志，也是系统能否在投入运行后经受住各种实际考验的重要保证，本文论述了影响信息系统安全的因素，内容及实现信息

期刊

管理信息系统安全保密计算机

紫杉醇对非小细胞肺癌患者血清TNF-α和MMPs的影响

肺癌是临床上最常见的恶性肿瘤,也是发生率和死亡率最高的恶性肿瘤[1-2]。非小细胞肺癌是肺癌的最常见类型,约占肺癌比例的85%[3-4]。非小细胞肺癌的恶性程度高,患者预后差,5

期刊

紫杉醇非小细胞肺癌基质金属蛋白酶免疫细胞细胞凋亡

Novel Wavelet-Based Segmentation of Prostate CBCT Images with Implanted Calypso Transponders

Segmentation of prostate Cone Beam CT (CBCT) images is an essential step towards real-time adaptive radiotherapy (ART). It is challenging for Calypso patients,

期刊

CBCTPROSTATESEGMENTATIONWAVELETSMWDHCBCTProstate SegmentationWaveletsMWD

Accuracy Comparison of 4D Computed Tomography (4DCT) and 4D Cone Beam Computed Tomography (4DCBCT)

The ability of respiratory-correlated fan beam CT (4DCT) and respiratory-correlated cone beam CT (4DCBCT) to accurately estimate tumor volume is critical to acc

期刊

4DCT4DCBCTVERIFICATIONIMAGINGRESPIRATORYMOTIONPHANTOM4DCT4DCBCTVerifica

良知的回归和弘扬

“良心债”连续多日让读者激动，被读者口口相传，就像一部感人的电视连续剧。看了这组报道。我有三点印象：第一，报道自始至终弘扬社会道德，每一步进程都是在昭示良知、道德的回归。

期刊

道德良知回归社会道德电视连续剧历史性变化社会发展读者

Feasibility Study on Deformable Image Registration for Lung SBRT Patients for Dose-Driven Adaptive T

The purpose of the study was to evaluate a treatment dose using planning computed tomography (pCT) that was deformed to pre-treatment cone beam computed tomogra

期刊

LUNGSBRTADAPTIVERADIOTHERAPYCBCTDeformableImageREGISTRATIONLung SBRTAda

Variations in Tomotherapy Beam Outputs: A Multiple-Institutional Investigation

This study aimed to determine variations in tomotherapy beam outputs at multiple institutions. Measurements were obtained at 22 radiotherapy institutions. The f

期刊

TOMOTHERAPYMachine-SpecificReferenceFieldMULTIPLEInstitutionsBEAMOUTPUTT

Penumbral Dose Characteristics of Physical and Virtual Wedge Profiles

与本文相关的学术论文