본 연구는 세기 변조된 multiple noncoplanar arc를 이용한 방사선수술 기법을 평가하기 위해 고안되었다. 정위적 방사선수술은 0.5 cm resolution의 MLC가 장착된 6-MV X-ray beam을 사용하였다. 본 연구에서...
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https://www.riss.kr/link?id=A100687363
윤상모 (영남대학교) ; 김성규 (영남대학교) ; Yun, Sang-Mo ; Kim, Sung-Kyu
2007
English
KCI등재
학술저널
93-97(5쪽)
0
0
상세조회0
다운로드국문 초록 (Abstract)
본 연구는 세기 변조된 multiple noncoplanar arc를 이용한 방사선수술 기법을 평가하기 위해 고안되었다. 정위적 방사선수술은 0.5 cm resolution의 MLC가 장착된 6-MV X-ray beam을 사용하였다. 본 연구에서...
본 연구는 세기 변조된 multiple noncoplanar arc를 이용한 방사선수술 기법을 평가하기 위해 고안되었다. 정위적 방사선수술은 0.5 cm resolution의 MLC가 장착된 6-MV X-ray beam을 사용하였다. 본 연구에서는 단일 중심점(single isocenter)으로 5 gantry-couch 조합을 이용한 intensity modulated arc therapy (IMAT)를 응용하였다. 저자들은 2 cm의 구형 표적용적에 대하여 $25{\times}25cm$ 아크릴 팬톰으로 선량분포 특성을 조사하였다. 단일 중심점을 이용한 방사선조사에서 구형의 표적에 대하여 비교적 적절한 선량분포를 얻을 수 있음을 확인할 수 있었다. 80%의 선량 곡선이 frontal, saglttal, transverse planes에서 표적 용적을 적절히 포함하였으며, 40%와 80% 선량곡선 사이는 $4.0{\sim}4.5mm$이었다. 이것은 cylindrical cone을 이용한 다른 연구자들의 선량분포와 유사한 결과였다. 따라서, 본 연구에서 사용한 방사선수술 기법을 비정형적 모양의 뇌내 표적에 대한 방사선수술시에 이용이 가능할 것으로 사료된다.
다국어 초록 (Multilingual Abstract)
This study was designed to evaluate radiosurgery technique using multiple noncoplanar arc therapy with intensity modulated fine MLC shaped photon beam. The stereotactic radiosurgery was performed with 6-MV X-ray beams from a Clinac 21EX LINAC (Varian,...
This study was designed to evaluate radiosurgery technique using multiple noncoplanar arc therapy with intensity modulated fine MLC shaped photon beam. The stereotactic radiosurgery was performed with 6-MV X-ray beams from a Clinac 21EX LINAC (Varian, Palo Alto, CA, USA) with a MLC-120, which features a full $40{\times}40cm$ field and is the first MLC for general use that offers 0.5 cm resolution for high precision treatment of small and irregular fields. We used a single isocenter and five gantry-couch combinations with a set of intensity modulated arc therapy. We investigated dosimetric characteristics of 2 cm sized spherical target volume with film (X-OMAT V2 film, Kodak Inc, Rochester NY, USA) dosimetry within $25{\times}25cm$ acrylic phantom. A simulated single isocentric treatment using inversely Planned 3D radiotherapy planning system demonstrated the ability to conform the dose distribution to an spherical target volume. The 80% dose level was adequate to encompass the target volume in frontal, sagittal, and transverse planes, and the region between the 40% and 80% isodose lines was $4.0{\sim}4.5mm$ and comparable to the dose distribution of the Boston Arcs. We expect that our radiosurgery technique could be a treatment option for irregular-shaped large intracranial target.
참고문헌 (Reference)
1 Duthoy W, "Whole abdominopelvic radiotherapy (WAPRT) using intensity-modulated arc therapy (IMAT): first clinical experience" 57 : 1019-1032, 2003
2 Shin SO, "Stereotactic radiosurgery for recurrent glioblastoma multiforme using Yeungnam Localization Device" 101-105, 1992
3 Suh TS, "Optimization of dose distribution for LINAC-based radiosurgery with multiple isocenters" 351-359, 1991
4 Kooy HM, "Linear accelerators in stereotactic radiosurgery" McGraw-Hill Inc 67-76, 1993
5 Yu CX, "Intensity-modulated arc therapy with dynamic multileaf collimation: an alternative to tomotherapy" 40 : 1435-1449, 1995
6 Wong E, "Intensity-modulated arc therapy simplified" 53 : 222-235, 2002
7 Schell MC, "Evaluation of radiosurgery techniques with cumulative dose volume histograms in LINAC-based stereotactic external beam irradiation" 1325-1330, 1991
8 Hamilton R, "Comparison of static conformal field with multiple noncoplanar arc techniques for stereotactic radiosurgery or stereotactic radiotherapy" 33 : 1221-1228, 1995
9 Shiu A, "Comparison of miniature collimation (MMLC) with circular collimation for stereotactic treatment" 37 : 679-688, 1997
10 Monk J, "Comparison of a micro-multileaf collimator with a 5 mm leaf width collimator for intracranial stereotactic radiotherapy" 57 : 1443-1449, 2003
1 Duthoy W, "Whole abdominopelvic radiotherapy (WAPRT) using intensity-modulated arc therapy (IMAT): first clinical experience" 57 : 1019-1032, 2003
2 Shin SO, "Stereotactic radiosurgery for recurrent glioblastoma multiforme using Yeungnam Localization Device" 101-105, 1992
3 Suh TS, "Optimization of dose distribution for LINAC-based radiosurgery with multiple isocenters" 351-359, 1991
4 Kooy HM, "Linear accelerators in stereotactic radiosurgery" McGraw-Hill Inc 67-76, 1993
5 Yu CX, "Intensity-modulated arc therapy with dynamic multileaf collimation: an alternative to tomotherapy" 40 : 1435-1449, 1995
6 Wong E, "Intensity-modulated arc therapy simplified" 53 : 222-235, 2002
7 Schell MC, "Evaluation of radiosurgery techniques with cumulative dose volume histograms in LINAC-based stereotactic external beam irradiation" 1325-1330, 1991
8 Hamilton R, "Comparison of static conformal field with multiple noncoplanar arc techniques for stereotactic radiosurgery or stereotactic radiotherapy" 33 : 1221-1228, 1995
9 Shiu A, "Comparison of miniature collimation (MMLC) with circular collimation for stereotactic treatment" 37 : 679-688, 1997
10 Monk J, "Comparison of a micro-multileaf collimator with a 5 mm leaf width collimator for intracranial stereotactic radiotherapy" 57 : 1443-1449, 2003
11 Yu CX, "Clinical implementation of intensity- modulated arc therapy" 53 : 453-463, 2002
12 Das I, "Characteristics of a dedicated linear accelerator-based stereotactic radiosurgery- radiotherapy unit" 38 : 61-68, 1996
13 Graham JD, "A comparison of techniques for stereotactic radiotherapy by linear accelerator based on 3-dimensional dose distributions" 29-35, 1991
14 Kubo HD, "A comparison of arc-based and static mini-multileaf collimator-based radiosurgery treatment plans" 45 : 89-93, 1997
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학술지 이력
연월일 | 이력구분 | 이력상세 | 등재구분 |
---|---|---|---|
2024 | 평가예정 | 재인증평가 신청대상 (재인증) | |
2021-01-01 | 평가 | 등재학술지 선정 (계속평가) | ![]() |
2019-01-01 | 평가 | 등재후보학술지 선정 (신규평가) | ![]() |
2016-12-01 | 평가 | 등재후보 탈락 (계속평가) | |
2015-12-01 | 평가 | 등재후보로 하락 (기타) | ![]() |
2014-07-10 | 학술지명변경 | 외국어명 : Korean Journal of Medical Physics -> PROGRESS in MEDICAL PHYSICS | ![]() |
2011-01-01 | 평가 | 등재학술지 유지 (등재유지) | ![]() |
2009-01-01 | 평가 | 등재 1차 FAIL (등재유지) | ![]() |
2006-01-01 | 평가 | 등재학술지 선정 (등재후보2차) | ![]() |
2005-01-01 | 평가 | 등재후보 1차 PASS (등재후보1차) | ![]() |
2003-07-01 | 평가 | 등재후보학술지 선정 (신규평가) | ![]() |