Comparison of Imaging Characteristics of 124I PET for Determination of Optimal Energy Window on the Siemens Inveon PET
المؤلفون المشاركون
Yu, A Ram
Kim, Hee-Joung
Lim, Sang Moo
Kim, Jin Su
المصدر
العدد
المجلد 2016، العدد 2016 (31 ديسمبر/كانون الأول 2016)، ص ص. 1-8، 8ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2016-03-22
دولة النشر
مصر
عدد الصفحات
8
التخصصات الرئيسية
الملخص EN
Purpose.
124I has a half-life of 4.2 days, which makes it suitable for imaging over several days over its uptake and washout phases.
However, it has a low positron branching ratio (23%), because of prompt gamma coincidence due to high-energy γ-photons (602 to 1,691 keV), which are emitted in cascade with positrons.
Methods.
In this study, we investigated the optimal PET energy window for 124I PET based on image characteristics of reconstructed PET.
Image characteristics such as nonuniformities, recovery coefficients (RCs), and the spillover ratios (SORs) of 124I were measured as described in NEMA NU 4-2008 standards.
Results.
The maximum and minimum prompt gamma coincidence fraction (PGF) were 33% and 2% in 350~800 and 400~590 keV, respectively.
The difference between best and worst uniformity in the various energy windows was less than 1%.
The lowest SORs of 124I were obtained at 350~750 keV in nonradioactive water compartment.
Conclusion.
Optimal energy window should be determined based on image characteristics.
Our developed correction method would be useful for the correction of high-energy prompt gamma photon in 124I PET.
In terms of the image quality of 124I PET, our findings indicate that an energy window of 350~750 keV would be optimal.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Yu, A Ram& Kim, Hee-Joung& Lim, Sang Moo& Kim, Jin Su. 2016. Comparison of Imaging Characteristics of 124I PET for Determination of Optimal Energy Window on the Siemens Inveon PET. BioMed Research International،Vol. 2016, no. 2016, pp.1-8.
https://search.emarefa.net/detail/BIM-1097223
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Yu, A Ram…[et al.]. Comparison of Imaging Characteristics of 124I PET for Determination of Optimal Energy Window on the Siemens Inveon PET. BioMed Research International No. 2016 (2016), pp.1-8.
https://search.emarefa.net/detail/BIM-1097223
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Yu, A Ram& Kim, Hee-Joung& Lim, Sang Moo& Kim, Jin Su. Comparison of Imaging Characteristics of 124I PET for Determination of Optimal Energy Window on the Siemens Inveon PET. BioMed Research International. 2016. Vol. 2016, no. 2016, pp.1-8.
https://search.emarefa.net/detail/BIM-1097223
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1097223
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر