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| Content Provider | Springer Nature Link |
|---|---|
| Author | Soh, H. S. Ung, N. M. Ng, K. H. |
| Copyright Year | 2008 |
| Abstract | The advancement of digital imaging has prompted more medical institutions to go filmless. The computed radiography (CR) system is becoming an important tool not only in diagnostic imaging, but also in radiation oncology. A new CR system that was specially designed for the use in radiation oncology, Fuji IP cassette type PII has been introduced to the market in the middle of year 2006. This project aimed to study some basic physical characteristics of this new type of cassette and explore its application for performing quality assurance (QA) tests and portal imaging in radiotherapy. All the images were read by FCR 5000 Plus reader. The image was found to reach its saturation value of 1023 (due to the image was stored in 10 bits data) by depending on the sensitivity value being adjusted. The uniformity test gave the result of 0.12%. The cassette was used to perform the QA tests which were previously performed using film. All the results met the specification as stated in AAPM Task Group 40. The comparison for the portal images of PortalVision$_{TM}$ contrastdetail phantom showed that the spatial resolution of the images obtained by CR system (Fujifilm Co., Ltd., Tokyo, Japan) were better than the EPID (Varian Medical Systems, Inc., Palo Alto, USA) and film system (Eastman Kodak Co., New York, USA). The IP cassette type PII was found to be suitable as an alternative QA test tool and portal imaging in radiotherapy. |
| Starting Page | 146 |
| Ending Page | 150 |
| Page Count | 5 |
| File Format | |
| ISSN | 01589938 |
| Journal | Australasian Physics & Engineering Sciences in Medicine |
| Volume Number | 31 |
| Issue Number | 2 |
| e-ISSN | 18795447 |
| Language | English |
| Publisher | Springer Netherlands |
| Publisher Date | 2008-01-01 |
| Publisher Place | Dordrecht |
| Access Restriction | Subscribed |
| Subject Keyword | computed radiography radiation oncology electronic portal imaging device imaging plate Biomedicine general Biophysics and Biological Physics Medical and Radiation Physics Biomedical Engineering Theoretical, Mathematical and Computational Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Radiology, Nuclear Medicine and Imaging Physics and Astronomy Biophysics Biomedical Engineering |
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