Dosimetric Comparison of 3D Conformal Conventional Radiotherapy versus Intensity-Modulated Radiation Therapy both in Conventional and High Dose Radiation for Prostate Carcinoma

<span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Background: Radiotherapy plays an important role in the management of prostate cancer. There are ongoing efforts...

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Main Authors: Azza Nasr, Rasha Elawady
Format: Article
Language:English
Published: Kasr Al-Ainy Center of Clinical Oncology and Nuclear Medicine 2016-06-01
Series:Research in Oncology
Subjects:
Online Access:https://resoncol.journals.ekb.eg/article_588_7981efaeefbb1133810f20f24c578fff.pdf
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author Azza Nasr
Rasha Elawady
author_facet Azza Nasr
Rasha Elawady
author_sort Azza Nasr
collection DOAJ
description <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Background: Radiotherapy plays an important role in the management of prostate cancer. There are ongoing efforts to deliver the optimum radiation dose to the prostate while minimizing it to at risk pelvic structures.</span></span> <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Aim: T<span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">o compare the dose coverage of planning target volume (PTV) and organs-at-risk (OAR) between intensity-modulated radiation therapy (IMRT) and conventional three dimensiona</span></span><span style="font-family: Tahoma,Tahoma; font-size: small;"><span style="font-family: Tahoma,Tahoma; font-size: small;">l </span></span><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">conformal radiotherapy (3D-CRT) for the same plan of prostate cancer patients in both conventional dose and high dose. </span></span></span></span></span></span> <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Methods: <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Plans of 15 prostate cancer patients with low- or intermediate risk, treated by 3D-CRT, were compared with IMRT to the same dose and to a higher dose. We used XIO- treatment planning system for 3D-CRT and Monaco treatment planning system for IMRT. </span></span></span></span></span></span></span></span> <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Results: <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Mean and minimum dose to PTV were equal, but the mean maximum dose was significantly higher </span></span><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">in IMRT (72Gy) than 3D-CRT. Doses to critical organs in IMRT plans were lower than 3D-CRT, even in the increased dose of 80Gy. </span></span></span></span></span></span></span></span></span></span> <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Conclusion: <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">IMRT is recommended as the standard of care in treatment of prostate carcinoma. Applying escalated dose is recommended. </span></span></span></span></span></span></span></span></span></span></span></span>
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spelling doaj.art-9251c430f1ca41d3b1f0f6d221b6baf22022-12-21T19:41:29ZengKasr Al-Ainy Center of Clinical Oncology and Nuclear MedicineResearch in Oncology2357-06872357-06952016-06-01121101410.21608/resoncol.2016.588588Dosimetric Comparison of 3D Conformal Conventional Radiotherapy versus Intensity-Modulated Radiation Therapy both in Conventional and High Dose Radiation for Prostate CarcinomaAzza Nasr0Rasha Elawady1The Department of Radiation Oncology, National Cancer Institute, Cairo University, Cairo, EgyptDepartment of Radiotherapy & Nuclear Medicine, National Cancer Institute, Cairo University, Cairo, Egypt<span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Background: Radiotherapy plays an important role in the management of prostate cancer. There are ongoing efforts to deliver the optimum radiation dose to the prostate while minimizing it to at risk pelvic structures.</span></span> <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Aim: T<span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">o compare the dose coverage of planning target volume (PTV) and organs-at-risk (OAR) between intensity-modulated radiation therapy (IMRT) and conventional three dimensiona</span></span><span style="font-family: Tahoma,Tahoma; font-size: small;"><span style="font-family: Tahoma,Tahoma; font-size: small;">l </span></span><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">conformal radiotherapy (3D-CRT) for the same plan of prostate cancer patients in both conventional dose and high dose. </span></span></span></span></span></span> <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Methods: <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Plans of 15 prostate cancer patients with low- or intermediate risk, treated by 3D-CRT, were compared with IMRT to the same dose and to a higher dose. We used XIO- treatment planning system for 3D-CRT and Monaco treatment planning system for IMRT. </span></span></span></span></span></span></span></span> <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Results: <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Mean and minimum dose to PTV were equal, but the mean maximum dose was significantly higher </span></span><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">in IMRT (72Gy) than 3D-CRT. Doses to critical organs in IMRT plans were lower than 3D-CRT, even in the increased dose of 80Gy. </span></span></span></span></span></span></span></span></span></span> <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">Conclusion: <span style="font-family: Times New Roman,Times New Roman; font-size: small;"><span style="font-family: Times New Roman,Times New Roman; font-size: small;">IMRT is recommended as the standard of care in treatment of prostate carcinoma. Applying escalated dose is recommended. </span></span></span></span></span></span></span></span></span></span></span></span>https://resoncol.journals.ekb.eg/article_588_7981efaeefbb1133810f20f24c578fff.pdfprostate cancerintensity-modulated radiation therapyescalated dose
spellingShingle Azza Nasr
Rasha Elawady
Dosimetric Comparison of 3D Conformal Conventional Radiotherapy versus Intensity-Modulated Radiation Therapy both in Conventional and High Dose Radiation for Prostate Carcinoma
Research in Oncology
prostate cancer
intensity-modulated radiation therapy
escalated dose
title Dosimetric Comparison of 3D Conformal Conventional Radiotherapy versus Intensity-Modulated Radiation Therapy both in Conventional and High Dose Radiation for Prostate Carcinoma
title_full Dosimetric Comparison of 3D Conformal Conventional Radiotherapy versus Intensity-Modulated Radiation Therapy both in Conventional and High Dose Radiation for Prostate Carcinoma
title_fullStr Dosimetric Comparison of 3D Conformal Conventional Radiotherapy versus Intensity-Modulated Radiation Therapy both in Conventional and High Dose Radiation for Prostate Carcinoma
title_full_unstemmed Dosimetric Comparison of 3D Conformal Conventional Radiotherapy versus Intensity-Modulated Radiation Therapy both in Conventional and High Dose Radiation for Prostate Carcinoma
title_short Dosimetric Comparison of 3D Conformal Conventional Radiotherapy versus Intensity-Modulated Radiation Therapy both in Conventional and High Dose Radiation for Prostate Carcinoma
title_sort dosimetric comparison of 3d conformal conventional radiotherapy versus intensity modulated radiation therapy both in conventional and high dose radiation for prostate carcinoma
topic prostate cancer
intensity-modulated radiation therapy
escalated dose
url https://resoncol.journals.ekb.eg/article_588_7981efaeefbb1133810f20f24c578fff.pdf
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