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Open Access Green as soon as Postprint is submitted to ZB.
DICOM structured report to track patient's radiation dose to organs from abdominal CT exam.
Proc. SPIE 7967:79670X (2011)
The dramatic increase of diagnostic imaging capabilities over the past decade has contributed to increased radiation exposure to patient populations. Several factors have contributed to the increase in imaging procedures: wider availability of imaging modalities, increase in technical capabilities, rise in demand by patients and clinicians, favorable reimbursement, and lack of guidelines to control utilization. The primary focus of this research is to provide in depth information about radiation doses that patients receive as a result of CT exams, with the initial investigation involving abdominal CT exams. Current dose measurement methods (i.e. CTDIvol Computed Tomography Dose Index) do not provide direct information about a patient's organ dose. We have developed a method to determine CTDIvol normalized organ doses using a set of organ specific exponential regression equations. These exponential equations along with measured CTDIvol are used to calculate organ dose estimates from abdominal CT scans for eight different patient models. For each patient, organ dose and CTDIvol were estimated for an abdominal CT scan. We then modified the DICOM Radiation Dose Structured Report (RDSR) to store the pertinent patient information on radiation dose to their abdominal organs.
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Publication type
Article: Journal article
Document type
Scientific Article
Editors
Boonn, W.W.* ; Liu, B.J.*
Keywords
CTDI;CT dose; DICOM structured report; Organ dose
ISSN (print) / ISBN
0277-786X
e-ISSN
1996-756X
Journal
Proceedings of SPIE
Quellenangaben
Volume: 7967,
Article Number: 79670X
Series
Proceedings of SPIE
Publisher
SPIE
Publishing Place
Bellingham, WA
Reviewing status
Peer reviewed