한국방사선학회논문지 (Journal of the Korean Society of Radiology)

  • 제7권6호
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  • Pages.409-414
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  • 2013
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  • 1976-0620(pISSN)
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  • 2384-0633(eISSN)
한국방사선학회 (The Korean Society of Radiology)
권호 표지
DOI QR코드

DOI QR Code

전립샘암의 방사선 치료 시 입체조형치료법와 세기조절방사선 치료법의 비교

A Comparison between Three Dimensional Radiation Therapy and Intensity Modulated Radiation Therapy on Prostate Cancer

  • 김영재 (광양보건대학교 방사선과) ;
  • 이재섭 (광양보건대학교 방사선과) ;
  • 홍성일 (광양보건대학교 방사선과) ;
  • 고혜진 (조선대학교병원 방사선종양학과)
  • Kim, YoungJae (Dept. of Radiological Technology, Gwangyang Health College) ;
  • Lee, JaeSub (Dept. of Radiological Technology, Gwangyang Health College) ;
  • Hong, Seongill (Dept. of Radiological Technology, Gwangyang Health College) ;
  • Ko, HyeJin (Dept. of Radiation Oncology, Chosun University Hospital)
  • 투고 : 2013.10.02
  • 심사 : 2013.12.25
  • 발행 : 2013.12.30
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초록

본 연구에서는 전립샘암 환자에게 방사선 치료법인 3차원 입체조형법과 세기조절치료법을 각각 적용 할 경우 선량분포의 차이를 관찰하여 치료기법의 우수성을 평가하고자 하였다. 실험대상자 10명의 컴퓨터 단층 모의치료영상을 얻어 종양학과 전문의가 종양용적 및 정상장기를 구분하고 종양용적에 흡수선량을 80 Gy로 설정한 후 각각 다른 치료계획을 수립하였다. 그 결과 선량분포윤곽은 세기조절치료법이 우수 하였고 종양조직의 흡수선량은 세기조절치료법이 처방선량에 근접(100.2%)하였으며 정상조직 흡수율(방광, 직장, 소장, 좌 우 대퇴골두) 또한 우수하였다. 즉, 전립샘암의 방사선 치료시 세기조절방사선치료가 입체조형치료법보다 선량적인 면에서 양호한 것으로 분석되었다.

In this study, we evaluated to the superiority of treatment techniques on prostate cancer, apply to each other treatment techniques-3D conformal therapy versus IMRT-using dose distribution and dose coverages. Obtained 10 patients CT simulation, divided tumor volume and critical organs. Prescription dose was 80 Gy on tumor volume and Each of plans was set by two different plans. As a result, Dose coverage was superior to IMRT. The IMRT's tumor absorbed dose(100.2%) was close to prescription doses. Normal tissue(bladder, rectal, bowel Lt Rt fumoral head) absorbed dose rate was superior. In other words, the radiation therapy of prostate cancer with intensity modulated radiation therapy was better than conformal radiation therapy on dose.

키워드

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