Verification of Treatment Planning System Based on Pencil Beam Algorithm for 6 MV Photon Beam Energy

الموضوعات

طب

الملخص

External radiotherapy is a common treatment technique for cancer. It has beenshown that radiation therapy is a both clinically and economically effective treatment formany types of cancer, even though the equipment is expensive. The technology is inconstant evolution and more and more sophisticated and complex techniques areintroduced. One of the main tasks for physicists at a radiotherapy department is qualitycontrol, i.e. making sure that the treatments are delivered in accordance with thedosimetric intentions. Over dosage of radiation can lead to severe side effects, whileunder dosage reduces the probability for patient cure.The main purpose of this study wasto verify the accuracy of the dosimetry of the 6 MV photon beam in the PlanW2000Radiotherapy Treatment Planning System of National Cancer Institute, Wad Medani,Sudan. experiments was setup to verify the treatment planning system for 6 MV photonbeam in three phase: point dose verification, profiles curve verification and PDDs curvesverification.The point dose verificationin the homogeneous phantom generated by thePlanW2000 Treatment planning system for the open and wedge fields for 6 MV werecompared with the values obtained by a scanning system, PTW computerize waterscanning System .The absorbed dose at the prescribed point calculated by the planningsystem was verified by comparison with the measured dose at the normalization pointusing a PTW 31013 farmerionization chamber in a water phantom, which is thetechnique used in patient treatment.The PDDs and Profiles were generated in ahomogeneous Phantom by the PlanW2000 for the open field and wedge field, this curveswere verified by comparison with the measured curves using PTW 31010 cylindricalChamberthe results for the dose distribution in the homogeneous phantom were found inthe acceptable limits (± 5%) with the different values within ±2%. For dose pointverification, the differences were found to be within±0.6% for open fields, and within±4% for wedged fields. These results show the applicability of using thePlanW2000Treatment planning system for patient treated with the Varian LinearAccelerator.

روابط وملفات

التعريف والنوع

رقم الوثيقة

ef19e6af-18b7-4ac5-9018-94c7c3649105

رقم العقد

0

نوع الوسائط

Crawler

نوع المحتوى

الرسائل العلمية

صيغة المصدر

رسائل ماجيستير

نوع الملف

pdf text

أسماء الملفات

24410_1.pdf, 24410_10.pdf, 24410_11.pdf, 24410_2.pdf, 24410_3.pdf, 24410_4.pdf, 24410_5.pdf, 24410_6.pdf, 24410_7.pdf, 24410_8.pdf, 24410_9.pdf

بيانات النشر

ترجمة العنوان

‫التحقق من نظام التخطيط العلاجي إستنادا إلى لوغاريثم الشعاع المنحصر‬ ‫لطاقة شعاع 6 ميقا فولت‬

ألقاب المؤلفين

[{"name_ar":" Elsadig Omer Altayeb Abdallah","title_ar":"اعداد","title_en":"Preparation"},{"name_ar":"Khalid Ibrahim Hussein","title_ar":"اشراف","title_en":"Supervision"}]

اللغة

English

المصدر والدورية

اسم المصدر

Verification of Treatment Planning System Based on Pencil Beam Algorithm for 6 MV Photon Beam Energy

المحتوى والصفحات

عدد الصفحات

0

إشراف وإعداد

الإشراف

Khalid Ibrahim Hussein

الإعداد

Elsadig Omer Altayeb Abdallah

الاقتباسات الببليوغرافية