NDLI: Multimodal target correction by local bone registration: A PET/CT evaluation

Content Provider	IEEE Xplore Digital Library
Author	Oliveira-Santos, T. Weitzel, T. Klaeser, B. Krause, T. Nolte, L. Weber, S. Reyes, M.
Copyright Year	2010
Description	Author affiliation: Institute for Surgical Technology & Biomechanics, Bern University, Switzerland (Oliveira-Santos, T.; Nolte, L.; Reyes, M.) \|\| Department of Nuclear Medicine, Inselspital Bern, 3010, Switzerland (Weitzel, T.; Klaeser, B.; Krause, T.) \|\| ARTORG Center for Biomedical Engineering Research, Bern University, Switzerland (Weber, S.)
Abstract	PET/CT guidance for percutaneous interventions allows biopsy of suspicious metabolically active bone lesions even when no morphological correlation is delineable in the CT images. Clinical use of PET/CT guidance with conventional step-by-step technique is time consuming and complicated especially in cases in which the target lesion is not shown in the CT image. Our recently developed multimodal instrument guidance system (IGS) for PET/CT improved this situation. Nevertheless, bone biopsies even with IGS have a trade-off between precision and intervention duration which is proportional to patient and personnel exposure to radiation. As image acquisition and reconstruction of PET may take up to 10 minutes, preferably only one time consuming combined PET/CT acquisition should be needed during an intervention. In case of required additional control images in order to check for possible patient movements/deformations, or to verify the final needle position in the target, only fast CT acquisitions should be performed. However, for precise instrument guidance accounting for patient movement and/or deformation without having a control PET image, it is essential to be able to transfer the position of the target as identified in the original PET/CT to a changed situation as shown in the control CT.
Starting Page	5616
Ending Page	5619
File Size	575025
Page Count	4
File Format	PDF
ISBN	9781424441235
ISSN	1557170X
DOI	10.1109/IEMBS.2010.5626797
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-31
Publisher Place	Argentina
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Computed tomography Positron emission tomography Pipelines Bones Needles Measurement Biopsy
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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