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The use of dynamic phantoms in interventional radiology

Lookup NU author(s): Dr Colin Kotre, Dr Keith Faulkner, David Rawlings


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The authors have constructed a 2D motor-controlled test object phantom holder to simulate clinical situations in which patient movement could be a cause of image degradation. The PAtient MOvement SImulation Test Object (PAMOSITO) has been constructed with modular parts to use different mobile test objects and static structures. The system allows the programming of different cycles of movement along two axes. PAMOSITO has been used in X ray equipment dedicated to interventional radiology. Those systems usually allow for different values for frame rate, pulse width or weighted frame averaging methods. The influence of selecting different values of the parameters, patient movement and its relation to patient dose and image quality has been studied. Image blurring due to motion has been evaluated with Leeds test objects TO.10 and 18FG. Spatial resolution limits and the threshold contrast detail detectability performance have been studied.

Publication metadata

Author(s): Kotre CJ; Faulkner K; Rawlings DJ; Guibelalde E; Vano E; Fernandez JM; Ten JI

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: 13th International Conference on Solid State Dosimetry (SSD2001)

Year of Conference: 2001

Pages: 155-159

ISSN: 0144-8420

Publisher: Nuclear Technology Publishing

Library holdings: Search Newcastle University Library for this item

Series Title: Radiation Protection Dosimetry