Document Detail


CT-guided stereotactic targeting accuracy of osteoid osteoma.
MedLine Citation:
PMID:  22539415     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
BACKGROUND: The aim of this study was to evaluate the CT-guided stereotactic targeting accuracy for radiofrequency ablation of osteoid osteoma (OO), a small, benign but painful osseous lesion. METHODS: Patient and extremity were fixed in a vacuum cushion. The OO was targeted using an optical navigation system with a stereotactic targeting device. For evaluation of targeting errors, the control CT with the needle in place was fused with the planning CT. RESULTS: In 16 consecutive patients, nine OOs in the femur, four in the tibia, one in the spine, one in the ulna and one in the pubic bone were successfully targeted without complications. The mean ± SD lateral targeting error was 2.6 ± 1.7 mm at the needle entry and 1.9 ± 1.2 mm at the needle tip, and the mean angular error was 2.0 ± 1.3°. CONCLUSION: Stereotaxy allows for accurate and safe targeting of OOs in various bone regions. Copyright © 2012 John Wiley & Sons, Ltd.
Authors:
Gerlig Widmann; Peter Schullian; Martin Fasser; Christian Niederwanger; Reto Bale
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-4-27
Journal Detail:
Title:  The international journal of medical robotics + computer assisted surgery : MRCAS     Volume:  -     ISSN:  1478-596X     ISO Abbreviation:  -     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-4-27     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101250764     Medline TA:  Int J Med Robot     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 John Wiley & Sons, Ltd.
Affiliation:
Section of Microinvasive Therapy, Department of Radiology, Innsbruck Medical University, Austria.
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