Impact of Different Independent Dose Verification Software Programs for Secondary Check
-
- YAMAZAKI Takeshi
- Department of Radiology, Inagi Municipal Hospital
-
- ITANO Masanobu
- Department of Radiology, Inagi Municipal Hospital
-
- ISHIBASHI Satoru
- Department of Radiology, Sasebo City General Hospital
-
- HIGUCHI Yoshihiro
- Department of Radiology, Sasebo City General Hospital
-
- YAMASHITA Mikiko
- Department of Radiological Technology, Kobe City Medical Center General Hospital
-
- KOSAKA Megumi
- Department of Radiology, Inagi Municipal Hospital
-
- KOBAYASHI Nozomi
- Department of Radiology, Inagi Municipal Hospital
-
- TACHIBANA Hidenobu
- Particle Therapy Division, Research Center for Innovative Oncology, National Cancer Center
Bibliographic Information
- Other Title
-
- セカンダリチェックにおける独立計算検証システムの違いの影響
- セカンダリチェック ニ オケル ドクリツ ケイサン ケンショウ システム ノ チガイ ノ エイキョウ
Search this article
Abstract
<p>Purpose: A multi-institutional study was performed to identify the impact of different independent dose verification programs on independent dose verification software program.</p><p>Methods: Data for 1,543 treatment fields were collected in three institutions. RADCALC and Simple MU Analysis (Simple MU) using the Clarkson-based algorithm were used. RADCALC needs the input of radiological path length (RPL) from radiotherapy treatment planning systems (RTPSs) (Eclipse or Pinnacle3). The Simple MU computes the RPL using CT images independently from the RTPSs. Ion-chamber measurements were performed for commissioning the two programs and the RTPSs. Next, the results of the two programs were compared to the RTPSs obtained in the clinically-approved plans in all three institutions.</p><p>Results: The commissioning results showed ±1.5% variation in the ion-chamber measurements and there was slight difference between the institutions. The RADCALC (0.9±2.2%) and the Simple MU (1.7±2.1%) results showed a slight systematic difference. Pinnacle3 computed longer RPLs because it used CT-physical density tables. Thus, there was an impact on the accuracy in the treatment plans involving bone and other high-density materials.</p><p>Conclusion: Dose calculation algorithms in different dose verification programs provided similar results. However, care must be taken because different RPL calculation methods in the RTPSs may affect dose difference between different independent dose verification programs by 1%.</p>
Journal
-
- Japanese Journal of Medical Physics (Igakubutsuri)
-
Japanese Journal of Medical Physics (Igakubutsuri) 36 (4), 197-206, 2017
Japan Society of Medical Physics
- Tweet
Keywords
Details 詳細情報について
-
- CRID
- 1390001205511319424
-
- NII Article ID
- 130005757883
-
- NII Book ID
- AA11580542
-
- ISSN
- 21869634
- 13455354
-
- NDL BIB ID
- 028375813
-
- PubMed
- 28701661
-
- Text Lang
- ja
-
- Data Source
-
- JaLC
- NDL
- PubMed
- CiNii Articles
-
- Abstract License Flag
- Disallowed