SPECT 검사에서 Onco Flash의 유용성과 질적 향상 평가

• 영문명: Usability Research of Onco Flash in SPECT
• 발행기관: 대한핵의학기술학회
• 저자명: 노익상(Ik Sang Noh) 차은선(Eun Sun Cha) 김기(Ki Kim) 최춘기(Choon Ki Choi) 석재동(Jae Dong Suk)
• 간행물 정보: 『핵의학기술』Vol.13 No.1, 3~8쪽, 전체 6쪽
• 주제분류: 의약학 > 방사선과학
• 파일형태: PDF
• 발행일자: 2009.05.30

영문 초록

Purpose: Onco flash shortens a scan time with half and there is a possibility of getting the data which corresponds in existing. The experiment which makes the image whose Onco Flash is excellent OSEM tried, as changes parameter of time, iteration. After reconstituting an image, produces FWHM and executes an evaluation. Materials and Methods: Siemens e.cam gamma camera, standard Jaszczak phantom and spatial resolution phantom was used. In order for the bubble not to enter, implants 2 mCi and volume 0.25 cc 99mTc respectively in line 3 to spatial resolution phantom. Put on that phantom on the table correctly, and acquires an image. 15 mCi putting in distilled water to mix 99mTc well in Jaszczak phantom and acquires image just like spatial resolution phantom. Reconstructs and converts the image to digital image as Sante program. Produce FWHM and evaluate by Amide. Results: The non-scattered image shows better FWHM value than scattered image. As time increases from 10 sec to 30 sec for 5sec interval, FWHM appeared to 30.1, 28.5, 24.5, 23.6, 23.4 mm. At the standard iteration value 4, OSEM FWHM shows 8.0 mm, and Onco Flash is 8.1 mm. As fade in iteration, FWHM value more and more decreased. Conclusion: When using Onco Flash, shortens a scan time, and enhances image quality. Also, user can adjust the parameters to improve resolution. Therefore, patient and user are satisfied with these merits.

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REFERENCES

키워드

Onco flash FWHM Spatial resolution phantom Jaszczak phantom