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Original Article

Korean Journal of Medical Physics 2013; 24(4): 284-289

Published online December 30, 2013

Copyright © Korean Society of Medical Physics.

A Dosimetric Comparision of IMRT and VMAT in Synchronous Bilateral Breast Cancer

양측성 유방암의 세기조절방사선치료(IMRT)와 부피적조절회전방사선치료(VMAT)의 비교연구

Sung-Jin Kim*†, Seon-Min Youn*, Sung Kyu Kim

김성진*†ㆍ윤선민*ㆍ김성규

*Department of Radiation Oncology, Eulji University Hospital, Daejeon, Department of Physics, Yeungnam University, Department of Radiation Oncology, College of Medicine, Yeungnam University, Daegu, Korea

*을지대학교병원 방사선종양학과, 영남대학교 물리학과, 영남대학교 의과대학 방사선종양학교실

Received: December 12, 2013; Accepted: December 14, 2013

Abstract

A study was performed comparing dosimetric characteristics of volumetric modulated arc and intensity modulated radiatio therapy on patients with bilateral breast cancer. For 5 patients, 3 plans were made for each patient; IMRT beams 8 and 12 of the beam intensity modulated radiation therapy, volumetric modulated arc therapy plan. The average PTVs volumes and D98 for 12-IMRT were 51.04±0.57 Gy (right), 50.80±1.07 Gy (left), 42.94±16.16 Gy (right), 42.56±2.09 Gy (left). HI (D5∼D95) and CI90,95, even 12-IMRT has shown excellent results. In OAR, 3 plans showed excellent results. But the lowest dose of 12-IMRT. 12-IMRT achieved similar PTV coverage and sparing of organs at risk than 8-IMRT and VMAT

KeywordsBilateral breast cancer, IMRT, VMAT

Korean Society of Medical Physics

Vol.35 No.2
June 2024

pISSN 2508-4445
eISSN 2508-4453
Formerly ISSN 1226-5829

Frequency: Quarterly

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