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C-2527 - Measuring, Monitoring, and Reporting Radiation Exposure in Nuclear Medicine : preliminary results and challenges to integrate with MDCT

G. Tosi1, M. Profili1, L. Balzarini1, A. Chiti1, F. Zanca2; 1 Rozzano/IT 2 Diegem/BE Type: Scientific Exhibit
Area of Interests: Radioprotection / Radiation dose, Nuclear medicine, Hybrid Imaging
Imaging Technique: PET-CT
Procedures: Technical aspects, Radiation safety, Dosimetry
Special Focuses: Dosimetric comparison, Quality assurance
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Aims and objectives: The aim of this study was to measure, monitor and report radiation exposure in nuclear medicine and to assess current challenges in integrating these measures with CT.

Methods and materials: In 2014 we connected a CT-PET to a dose tracking software and started to collect dose data from CT modality; in late 2015 the software was upgraded to a version which includes a NM module for dose tracking. Data from the PET part of the scanner were also collected. Initially it was monitored 1 CT-PE[...]

Results: Data from 8200 CT doses and 1000 PET doses were collected, mostly from: Whole Body (WB) 18F-FDG (55.1%), WB 11C-Choline (11.6%), WB 68Ga-DOTATOC (4.2%), Head 11C-Methionine, for a total of 29 % of the whole activity of the scanner. CT mean DLP (mGy*cm) data values were (range between brackets): WB 1[...]

Conclusion: The implementation of a dose tracking system to nuclear medicine is of great value for accurate and regular recording, reporting and analysis of patient’s radiation doses. It can help to improve the evaluation of radiation exposures in the clinical practice

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References: 1.      G. Tosi, M. Profili, A. Spinillo, L. Balzarini  Dose management program: one year result Perugia 25-28/02/2016  2.       G. Tosi, M. Profili, Dose management: a radiologist and medical physicist perspective Lunch symposium ECR28, Wien 2-6/03/2016  [...]

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