Precision of photon-counting detector CT compared to conventional CT for total wrist arthroplasty migration: a cadaveric and clinical study
Gustav Lind, Erik Tesselaar, Olof Sandberg, Simon Farnebo · 2026
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Description
Gustav Lind and three colleagues test a new type of CT scanner for tracking wrist implants in a 2026 study. Loosening is a serious problem after wrist joint replacement, yet tiny implant movement is hard to measure. Their method uses CT-based motion analysis that needs no implanted marker beads.
One cadaver wrist with an implant was scanned 40 times on both the new photon-counting scanner and a standard scanner. The new scanner measured rotation more precisely while using half the radiation dose. Eight patients were also scanned after surgery and again at six and twelve months, showing only very small early movement. The authors call for larger, longer studies to set firm limits for what counts as loosening.
Catalog record
| CREATOR | Gustav Lind, Erik Tesselaar, Olof Sandberg, Simon Farnebo |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 31 KB |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |