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Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer
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| Zeitschriftentitel: | Technology in Cancer Research & Treatment |
|---|---|
| Personen und Körperschaften: | , , , , , , , |
| In: | Technology in Cancer Research & Treatment, 12, 2013, 6, S. 511-516 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
SAGE Publications
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| Schlagwörter: |
| author_facet |
Herbert, C. Kwa, W. Nakano, S. James, K. Moiseenko, V. Wu, J. Schellenberg, D. Liu, M. Herbert, C. Kwa, W. Nakano, S. James, K. Moiseenko, V. Wu, J. Schellenberg, D. Liu, M. |
|---|---|
| author |
Herbert, C. Kwa, W. Nakano, S. James, K. Moiseenko, V. Wu, J. Schellenberg, D. Liu, M. |
| spellingShingle |
Herbert, C. Kwa, W. Nakano, S. James, K. Moiseenko, V. Wu, J. Schellenberg, D. Liu, M. Technology in Cancer Research & Treatment Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer Cancer Research Oncology |
| author_sort |
herbert, c. |
| spelling |
Herbert, C. Kwa, W. Nakano, S. James, K. Moiseenko, V. Wu, J. Schellenberg, D. Liu, M. 1533-0346 1533-0338 SAGE Publications Cancer Research Oncology http://dx.doi.org/10.7785/tcrt.2012.500338 <jats:p> Stereotactic body radiotherapy (SBRT) is a treatment option for patients with early stage lung cancer. Treatment duration can be >30 minutes per fraction with non-coplanar 3D-conformal radiotherapy (3D-CRT). Whilst this is generally well tolerated, faster delivery techniques are desirable. Volumetric modulated arc therapy (VMAT) allows for fast delivery of radiation treatment. The purpose of this planning study was to compare SBRT with 3D-CRT and VMAT, with VMAT plans generated using both single arc and 3 non-coplanar partial arcs. Ten patients who previously underwent SBRT (48 Gy in 4 fractions) with 3D-CRT were selected. VMAT plans were generated to treat the PTV while limiting doses to organs at risk. Cumulative dose volume histogram (DVH) parameters were compared between the 3 techniques using the Wilcoxon matched pairs test. Treatment delivery time was also assessed. Both VMAT techniques covered target volumes more conformally than 3D-CRT with a mean V48/V<jats:sub>PTV</jats:sub> of 1.21 for 3D-CRT, 1.03 for 3 arc plans and 1.01 for single arc plans (ρ = 0.005). Dose constraints to organs at risk were met using all three techniques. Mean lung doses were 2.93 Gy for 3D-CRT, 2.87 Gy for single arc and 2.73 Gy for the 3 arc technique (3-arc vs. 3D-CRT: ρ = 0.009). Lung V20 for 3D-CRT, 1 arc and 3 arcs were 3.24%, 2.89% and 2.73%, respectively (3-arc vs. 3D-CRT: ρ = 0.028). Mean time to deliver a single fraction was 13 minutes for 3D-CRT, 9.2 minutes for 3 arcs and 5.5 minutes for 1 arc. VMAT resulted in improved conformality compared to 3D-CRT. The 3 arc technique appears to have the lowest dose to lung although the magnitude is unlikely to be clinically significant. The main advantage of VMAT over 3D-CRT is faster treatment delivery time. Shortened treatment times are anticipated to improve tolerability of this treatment and reduce the chance of error due to intra-fraction motion. </jats:p> Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer Technology in Cancer Research & Treatment |
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| title |
Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer |
| title_unstemmed |
Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer |
| title_full |
Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer |
| title_fullStr |
Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer |
| title_full_unstemmed |
Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer |
| title_short |
Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer |
| title_sort |
stereotactic body radiotherapy: volumetric modulated arc therapy versus 3d non-coplanar conformal radiotherapy for the treatment of early stage lung cancer |
| topic |
Cancer Research Oncology |
| url |
http://dx.doi.org/10.7785/tcrt.2012.500338 |
| publishDate |
2013 |
| physical |
511-516 |
| description |
<jats:p> Stereotactic body radiotherapy (SBRT) is a treatment option for patients with early stage lung cancer. Treatment duration can be >30 minutes per fraction with non-coplanar 3D-conformal radiotherapy (3D-CRT). Whilst this is generally well tolerated, faster delivery techniques are desirable. Volumetric modulated arc therapy (VMAT) allows for fast delivery of radiation treatment. The purpose of this planning study was to compare SBRT with 3D-CRT and VMAT, with VMAT plans generated using both single arc and 3 non-coplanar partial arcs. Ten patients who previously underwent SBRT (48 Gy in 4 fractions) with 3D-CRT were selected. VMAT plans were generated to treat the PTV while limiting doses to organs at risk. Cumulative dose volume histogram (DVH) parameters were compared between the 3 techniques using the Wilcoxon matched pairs test. Treatment delivery time was also assessed. Both VMAT techniques covered target volumes more conformally than 3D-CRT with a mean V48/V<jats:sub>PTV</jats:sub> of 1.21 for 3D-CRT, 1.03 for 3 arc plans and 1.01 for single arc plans (ρ = 0.005). Dose constraints to organs at risk were met using all three techniques. Mean lung doses were 2.93 Gy for 3D-CRT, 2.87 Gy for single arc and 2.73 Gy for the 3 arc technique (3-arc vs. 3D-CRT: ρ = 0.009). Lung V20 for 3D-CRT, 1 arc and 3 arcs were 3.24%, 2.89% and 2.73%, respectively (3-arc vs. 3D-CRT: ρ = 0.028). Mean time to deliver a single fraction was 13 minutes for 3D-CRT, 9.2 minutes for 3 arcs and 5.5 minutes for 1 arc. VMAT resulted in improved conformality compared to 3D-CRT. The 3 arc technique appears to have the lowest dose to lung although the magnitude is unlikely to be clinically significant. The main advantage of VMAT over 3D-CRT is faster treatment delivery time. Shortened treatment times are anticipated to improve tolerability of this treatment and reduce the chance of error due to intra-fraction motion. </jats:p> |
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| author | Herbert, C., Kwa, W., Nakano, S., James, K., Moiseenko, V., Wu, J., Schellenberg, D., Liu, M. |
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| description | <jats:p> Stereotactic body radiotherapy (SBRT) is a treatment option for patients with early stage lung cancer. Treatment duration can be >30 minutes per fraction with non-coplanar 3D-conformal radiotherapy (3D-CRT). Whilst this is generally well tolerated, faster delivery techniques are desirable. Volumetric modulated arc therapy (VMAT) allows for fast delivery of radiation treatment. The purpose of this planning study was to compare SBRT with 3D-CRT and VMAT, with VMAT plans generated using both single arc and 3 non-coplanar partial arcs. Ten patients who previously underwent SBRT (48 Gy in 4 fractions) with 3D-CRT were selected. VMAT plans were generated to treat the PTV while limiting doses to organs at risk. Cumulative dose volume histogram (DVH) parameters were compared between the 3 techniques using the Wilcoxon matched pairs test. Treatment delivery time was also assessed. Both VMAT techniques covered target volumes more conformally than 3D-CRT with a mean V48/V<jats:sub>PTV</jats:sub> of 1.21 for 3D-CRT, 1.03 for 3 arc plans and 1.01 for single arc plans (ρ = 0.005). Dose constraints to organs at risk were met using all three techniques. Mean lung doses were 2.93 Gy for 3D-CRT, 2.87 Gy for single arc and 2.73 Gy for the 3 arc technique (3-arc vs. 3D-CRT: ρ = 0.009). Lung V20 for 3D-CRT, 1 arc and 3 arcs were 3.24%, 2.89% and 2.73%, respectively (3-arc vs. 3D-CRT: ρ = 0.028). Mean time to deliver a single fraction was 13 minutes for 3D-CRT, 9.2 minutes for 3 arcs and 5.5 minutes for 1 arc. VMAT resulted in improved conformality compared to 3D-CRT. The 3 arc technique appears to have the lowest dose to lung although the magnitude is unlikely to be clinically significant. The main advantage of VMAT over 3D-CRT is faster treatment delivery time. Shortened treatment times are anticipated to improve tolerability of this treatment and reduce the chance of error due to intra-fraction motion. </jats:p> |
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| spelling | Herbert, C. Kwa, W. Nakano, S. James, K. Moiseenko, V. Wu, J. Schellenberg, D. Liu, M. 1533-0346 1533-0338 SAGE Publications Cancer Research Oncology http://dx.doi.org/10.7785/tcrt.2012.500338 <jats:p> Stereotactic body radiotherapy (SBRT) is a treatment option for patients with early stage lung cancer. Treatment duration can be >30 minutes per fraction with non-coplanar 3D-conformal radiotherapy (3D-CRT). Whilst this is generally well tolerated, faster delivery techniques are desirable. Volumetric modulated arc therapy (VMAT) allows for fast delivery of radiation treatment. The purpose of this planning study was to compare SBRT with 3D-CRT and VMAT, with VMAT plans generated using both single arc and 3 non-coplanar partial arcs. Ten patients who previously underwent SBRT (48 Gy in 4 fractions) with 3D-CRT were selected. VMAT plans were generated to treat the PTV while limiting doses to organs at risk. Cumulative dose volume histogram (DVH) parameters were compared between the 3 techniques using the Wilcoxon matched pairs test. Treatment delivery time was also assessed. Both VMAT techniques covered target volumes more conformally than 3D-CRT with a mean V48/V<jats:sub>PTV</jats:sub> of 1.21 for 3D-CRT, 1.03 for 3 arc plans and 1.01 for single arc plans (ρ = 0.005). Dose constraints to organs at risk were met using all three techniques. Mean lung doses were 2.93 Gy for 3D-CRT, 2.87 Gy for single arc and 2.73 Gy for the 3 arc technique (3-arc vs. 3D-CRT: ρ = 0.009). Lung V20 for 3D-CRT, 1 arc and 3 arcs were 3.24%, 2.89% and 2.73%, respectively (3-arc vs. 3D-CRT: ρ = 0.028). Mean time to deliver a single fraction was 13 minutes for 3D-CRT, 9.2 minutes for 3 arcs and 5.5 minutes for 1 arc. VMAT resulted in improved conformality compared to 3D-CRT. The 3 arc technique appears to have the lowest dose to lung although the magnitude is unlikely to be clinically significant. The main advantage of VMAT over 3D-CRT is faster treatment delivery time. Shortened treatment times are anticipated to improve tolerability of this treatment and reduce the chance of error due to intra-fraction motion. </jats:p> Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer Technology in Cancer Research & Treatment |
| spellingShingle | Herbert, C., Kwa, W., Nakano, S., James, K., Moiseenko, V., Wu, J., Schellenberg, D., Liu, M., Technology in Cancer Research & Treatment, Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer, Cancer Research, Oncology |
| title | Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer |
| title_full | Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer |
| title_fullStr | Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer |
| title_full_unstemmed | Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer |
| title_short | Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer |
| title_sort | stereotactic body radiotherapy: volumetric modulated arc therapy versus 3d non-coplanar conformal radiotherapy for the treatment of early stage lung cancer |
| title_unstemmed | Stereotactic Body Radiotherapy: Volumetric Modulated Arc Therapy versus 3D Non-Coplanar Conformal Radiotherapy for the Treatment of Early Stage Lung Cancer |
| topic | Cancer Research, Oncology |
| url | http://dx.doi.org/10.7785/tcrt.2012.500338 |