[Home ] [Archive]    
:: Main :: About :: Current Issue :: Archive :: Search :: Submit :: Contact ::
:: Volume 11, Issue 3 (7-2013) ::
Int J Radiat Res 2013, 11(3): 175-181 Back to browse issues page
Beam characteristics and leakage assessment of an in-house intra-operative electron applicator system
P. Shokrani Dr. , M. Soltani
Isfahan University of Medical sciences, Department of Medical Physics, Isfahan, Iran , Shokrani@med.mui.ac.ir
Abstract:   (6088 Views)

Background: Intraoperative radiation therapy (IORT) technique is used to treat a surgically exposed tumor or tumor bed in the treatment of locally advanced intraabdominal, retroperitoneal, pelvic, thoracic, breast and soft tissue tumors. One way to perform IORT is to use an existing linac and modify the treatment head using an applicator system. In this study the objectives were to design, and build an in-house IORT applicator system, perform an acquisition of dosimetry data and characterize the IORT radiation parameters. Materials and Methods: IORT applicator system developed in this research consists of three flat applicators with inner diameters ( ф) of 3, 5 and 9 cm and one tube ( ф =3 cm) with a 45-degree beveled end. Beam characteristics evaluated include percent depth dose distributions, beam profiles, and leakage dose distributions. Measurements were performed using a Scanditronix (p-si) diode field detector in a Scanditronix (RFAplus) 3-D water phantom. Results: Compared to the standard applicator, depth dose curves for intra-operative cones are shallower surface dose is higher and the maximum peripheral dose is in the order of 9.6%. Conclusion: Using a 10 MeV electron beam, the cone system developed in this study is suitable for treating tumors of width and depth ranges of 1.9-8.4 cm and 14-29 mm, respectively.

Keywords: Intra-cavitary cone, IORT, electron boost.
Full-Text [PDF 640 kb]   (1723 Downloads)    
Type of Study: Original Research | Subject: Medical Physics
Send email to the article author

Add your comments about this article
Your username or Email:

CAPTCHA


XML     Print


Download citation:
BibTeX | RIS | EndNote | Medlars | ProCite | Reference Manager | RefWorks
Send citation to:

Shokrani P, Soltani M. Beam characteristics and leakage assessment of an in-house intra-operative electron applicator system. Int J Radiat Res. 2013; 11 (3) :175-181
URL: http://ijrr.com/article-1-1060-en.html


Volume 11, Issue 3 (7-2013) Back to browse issues page
International Journal of Radiation Research
Persian site map - English site map - Created in 0.06 seconds with 34 queries by YEKTAWEB 4130