Peer-Reviewed Publication
Skeletal Radiol2026July 28, 2026Journal Article
Precision of photon-counting detector CT compared to conventional CT for total wrist arthroplasty migration: a cadaveric and clinical study.
Gustav Lind1,2, Erik Tesselaar3,4, Olof Sandberg5, Simon Farnebo6,7
1Department of Biomedical and Clinical Sciences, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden.
2Department of Plastic Surgery, Hand Surgery, and Burns, Linköping University, Linköping, Sweden.
3Department of Medical Radiation Physics, Department of Medical and Health Sciences, Linköping University, Linköping, Sweden.
4Center for Medical Image Science and Visualization, Linköping University, Linköping, Sweden.
5Sectra, Linköping, Sweden.
6Department of Biomedical and Clinical Sciences, Faculty of Medicine and Health Sciences, Linköping University, Linköping, Sweden. simon.farnebo@liu.se.
7Department of Plastic Surgery, Hand Surgery, and Burns, Linköping University, Linköping, Sweden. simon.farnebo@liu.se.
Abstract
OBJECTIVES: Implant loosening is a serious complication after total wrist arthroplasty. Radiostereometric analysis has been the gold standard for measurement of implant migration; however, the use of bead free computer tomography radiostereometric analysis (CT-RSA) has emerged as an alternative due to its higher precision. In this study, the precision of a novel photon-counting detector CT (PCD-CT…
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