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Tumor localization and image registration of 18-FDG SPECT scans with CT scans
New York University.
New York University.
New York University.
New York University.
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1999 (English)In: Journal of Nuclear Medicine, ISSN 0161-5505, E-ISSN 1535-5667, Vol. 40, no 5, 290P-291P p.Article in journal (Refereed) Published
Abstract [en]

PURPOSE:

The aim of this study was to determine the feasibility of registering routine clinical F-18 fluorodeoxyglucose (FDG) coincidence detection (CD) scans with computed tomographic (CT) scans for radiation treatment planning and case management.

METHODS:

F-18 FDG CD and chest CT scans, performed in 10 randomly selected patients with confirmed or possible adenocarcinoma of the lung, were evaluated. The quality of the matches was verified by comparisons of the center-to-center distance between a region of interest (ROI) manually drawn on the CT slice and warped onto the CD slice with an ROI drawn manually directly on the CD slice. In addition, the overlap between the two ROIs was calculated.

RESULTS:

All 10 F-18 FDG CD and CT scans were registered with good superimposition of soft tissue density on increased radionuclide activity. The center-to-center distance between the ROIs ranged from 0.29 mm to 8.08 mm, with an average center-to-center distance of 3.89 mm +/- 2.42 mm (0.69 pixels +/- 0.34 pixels). The ROI overlap ranged from 77% to 99%, with an average of 90% +/- 5.6%.

CONCLUSIONS:

Although the use of F-18 FDG CD shows great promise for the identification of tumors, it shares the same drawbacks as those associated with radiolabeled monoclonal antibody SPECT and ligand-based positron emission tomographic scans in that anatomic markers are limited. This study shows that image registration is feasible and may improve the clinical relevance of CD images.

Place, publisher, year, edition, pages
Society of Nuclear Medicine , 1999. Vol. 40, no 5, 290P-291P p.
National Category
Radiology, Nuclear Medicine and Medical Imaging
Research subject
SRA - ICT
Identifiers
URN: urn:nbn:se:kth:diva-47861OAI: oai:DiVA.org:kth-47861DiVA: diva2:456483
Note
QC 20111115 Published abstract NR 20140804Available from: 2011-11-14 Created: 2011-11-14 Last updated: 2017-12-08Bibliographically approved

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Maguire Jr., Gerald Q.

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