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. 2016 May;5(2):105-9.
doi: 10.1055/s-0036-1582475. Epub 2016 Apr 13.

In Vivo High-Resolution Trabecular Microstructure of Kienböck Lunate before and after Radial Shortening: A Case Report

Marion Burnier  1 , Guillaume Herzberg  1 , Roland Chapurlat  2 , Stéphanie Boutroy  2
Affiliations

In Vivo High-Resolution Trabecular Microstructure of Kienböck Lunate before and after Radial Shortening: A Case Report

Marion Burnier et al. J Wrist Surg. 2016 May.

Abstract

We report a patient with stage IIIB Kienböck disease treated with radial shortening where preoperative and sequential postoperative imaging were done using in vivo high-resolution peripheral quantitative micro-computed tomography (micro-CT) scan. Sequential in vivo micro-CT scan analysis of a target zone of the Kienböck lunate of this patient demonstrated early signs of lunate remodeling (bone trabecular densification) at 5-month follow-up suggesting an ongoing healing process. These early remodeling micro-CT scan signs were confirmed at 5 years' follow-up as well.

Keywords: HR-pQCT; Kienböck disease; lunate; quantitative micro-CT scan.

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Conflict of interest statement

Conflict of Interest None.

Figures

Fig. 1
Fig. 1
Preoperative PA and lateral standard radiographs and conventional CT scan (sagittal slice) of Kienböck right lunate of our patient.
Fig. 2
Fig. 2
Diagrammatic patterns of Lyon pre- and postoperative (5 years follow up) wrist scores in our patient.
Fig. 3
Fig. 3
Postoperative 5 years' follow-up PA and lateral standard radiographs and conventional CT scan (sagittal slice) of Kienböck right lunate of our patient. Note the 2-mm radius shortening and the stabilization of the collapse.
Fig. 4
Fig. 4
Trabecular microstructure as observed with HR-pQCT within Kienböck lunate VOI from preoperative (A) to 5 years' follow-up (B).
See this image and copyright information in PMC

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