지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국의학물리학회 의학물리 의학물리 제28권 제2호
- 발행연도
- 2017.6
- 수록면
- 39 - 44 (6page)
- DOI
- https://doi.org/10.14316/pmp.2017.28.2.39
이용수
초록· 키워드
오류제보하기
This study aims to analyze dose distribution and treatment time of endobronchial brachytherapy (EBBT) by changing the position step size of the dwell position. A solid water phantom and an intraluminal catheter were used in the treatment plan. The treatment plans were generated for 3, 5, 7, and 10 cm treatment lengths, respectively. For each treatment length, the source position step sizes were set as 2.5, 5, and 10 mm. Three reference points were set 1 cm away from the central axis of the catheter, along the axis, for uniform dose distribution. Volumetric dose distribution was calculated to evaluate the dosimetric effect. The total radiation delivery time and total dwell time were estimated for treatment efficiency, which were increased with position step sizes. At half-life time, the differences between the position step sizes in the total radiation delivery time were 18.1, 15.4, 18.0, and 24.0 s for 3, 5, 7, and 10 cm treatment lengths, respectively. The dose distributions were more homogenous by increasing the position step sizes. The dose difference of the reference point was less than 10%. In brachytherapy, this difference can be negligible. For EBBT, the treatment time is the key factor while considering the patient status. To reduce the total treatment time, EBBT can be performed with 2.5 mm position step size.
목차
등록된 정보가 없습니다.
참고문헌 (20)
참고문헌 신청
Donovan E / 2017 / Endobronchial brachytherapy for metastasis from extrapulmonary malignancies as an effective treatment for palliation of symptoms / Brachytherapy 16:630~638
Nag S / 1993 / Consensus guidelines for high dose rate remote brachytherapy in cervical, endometrial, and endobronchial tumors / Int J Radiat Oncol Biol Phys 27:1241~1244
Bedwinek J / 1992 / The use of high dose rate endobronchial brachytherapy to palliate symptomatic endobronchial recurrence of previously irradiated bronchogenic carcinoma / Int J Radiat Oncol Biol Phys 22:23~30
Kelly JF / 2000 / High-dose-rate endobronchial brachytherapy effectively palliates symptoms due to airway tumors : the 10-year MD Anderson cancer center experience / Int J Radiat Oncol Biol Phys 48:697~702
Perol M / 1997 / Curative irradiation of limited endobronchial carcinomas with high-dose rate brachytherapy : results of a pilot study / Chest 111:1417~1423
Nag S / 1993 / Consensus guidelines for high dose rate remote brachytherapy in cervical, endometrial, and endobronchial tumors / Int J Radiat Oncol Biol Phys 27:1241~1244
Bedwinek J / 1992 / The use of high dose rate endobronchial brachytherapy to palliate symptomatic endobronchial recurrence of previously irradiated bronchogenic carcinoma / Int J Radiat Oncol Biol Phys 22:23~30
Kelly JF / 2000 / High-dose-rate endobronchial brachytherapy effectively palliates symptoms due to airway tumors : the 10-year MD Anderson cancer center experience / Int J Radiat Oncol Biol Phys 48:697~702
Perol M / 1997 / Curative irradiation of limited endobronchial carcinomas with high-dose rate brachytherapy : results of a pilot study / Chest 111:1417~1423
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