Zobrazeno 1 - 10
of 61
pro vyhledávání: '"Lawrence E. Reinstein"'
Autor:
Lawrence E. Reinstein, Dan Ritt, Thomas LoSasso, Ellen E. Wilcox, Jatinder R. Palta, Kwok L. Lam, Indra J. Das, James F. Dempsey, Sujatha Pai, Arthur J. Olch
Publikováno v:
Medical Physics. 34:2228-2258
TG-69 is a task group report of the AAPM on the use of radiographic film for dosimetry. Radiographic films have been used for radiation dosimetry since the discovery of x-rays and have become an integral part of dose verification for both routine qua
Autor:
G. R. Gluckman, Lawrence E. Reinstein
Publikováno v:
Medical Physics. 29:1839-1846
A recently introduced radiographic film scanner from Howtek is evaluated and compared to two other commercially available densitometry systems for its use in radiochromic (RC) film dosimetry in the clinical dose range 0–100 Gy. It has a high-intens
Publikováno v:
Journal of Applied Clinical Medical Physics
The goal of quality assurance (QA) for a radiation oncology medical LINAC is to maintain an acceptable level of equipment performance and reliability. The increasing complexity of Radiation Oncology equipment and treatment techniques have led to incr
Publikováno v:
Journal of Applied Clinical Medical Physics
Autor:
Keith T. Welsh, Lawrence E. Reinstein
Publikováno v:
Medical Physics. 28:844-849
Diode sensitivity variations with temperature (SVWT) have been reported to vary from small negative values up to 0.6% per degrees C. Thus it is possible for diode calibration factors established at room temperature (approximately 20 degrees C) to yie
Publikováno v:
Cardiovascular Radiation Medicine. 2:26-31
Purpose: Using a radioactive solution-filled catheter for intravascular irradiation has the potential problem of chemical and radiological toxicity in the case of a balloon rupture. In order to reduce this risk, an innovative concentric balloon cathe
Autor:
Lawrence E. Reinstein, G. R. Gluckman
Publikováno v:
Medical Physics. 26:478-484
Various forms of GAFChromic film (GC) have been used for several years as radiographic media for measuringdose distributions of brachytherapysources and small radiation fields. A new double layer film, referred to as MD-55-2 is now offered and is use
Publikováno v:
Medical Physics. 25:2308-2315
Real time optimized treatment planning at the time of the implant is desirable for ultrasound-guided transperineal 125 I permanent prostate implants. Currently available optimization algorithms are too slow to be used in the operating room. The goal
Publikováno v:
Physics in Medicine and Biology. 43:2703-2708
Various forms of GAFChromic film have been used for several years as radiographic media for measuring dose distributions of brachytherapy sources and small radiation fields. Upon irradiation the film changes colour and darkens with time post-irradiat
Publikováno v:
Medical Physics. 25:1217-1221
GAFChromic film has become increasingly popular for radiationdosimetry. In this study we explore the use of GAFChromic film as an in vivodosimeter for quality assurance (QA) of fractionated high dose rate 192 Ir treatments. Accuracy of dose distribut