Relationship between trabecular texture features of CT images and an amount of bone cement volume injection in percutaneous vertebroplasty

Gye Rae Tack; Hyung Guen Choi; Kyu-Chul Shin; Sung Jae Lee

doi:10.1117/12.431193

26 June 2001 Relationship between trabecular texture features of CT images and an amount of bone cement volume injection in percutaneous vertebroplasty

Gye Rae Tack, Hyung Guen Choi, Kyu-Chul Shin, Sung Jae Lee

Author Affiliations +

Proceedings Volume 4324, Medical Imaging 2001: Image Perception and Performance; (2001) https://doi.org/10.1117/12.431193
Event: Medical Imaging 2001, 2001, San Diego, CA, United States

Abstract

Percutaneous vertebroplasty is a surgical procedure that was introduced for the treatment of compression fracture of the vertebrae. This procedure includes puncturing vertebrae and filling with polymethylmethacrylate (PMMA). Recent studies have shown that the procedure could provide structural reinforcement for the osteoporotic vertebrae while being minimally invasive and safe with immediate pain relief. However, treatment failures due to disproportionate PMMA volume injection have been reported as one of complications in vertebroplasty. It is believed that control of PMMA volume is one of the most critical factors that can reduce the incidence of complications. In this study, appropriate amount of PMMA volume was assessed based on the imaging data of a given patient under the following hypotheses: (1) a relationship can be drawn between the volume of PMMA injection and textural features of the trabecular bone in preoperative CT images and (2) the volume of PMMA injection can be estimated based on 3D reconstruction of postoperative CT images. Gray-level run length analysis was used to determine the textural features of the trabecular bone. The width of trabecular (T-texture) and the width of intertrabecular spaces (I-texture) were calculated. The correlation between PMMA volume and textural features of patient's CT images was also examined to evaluate the appropriate PMMA amount. Results indicated that there was a strong correlation between the actual PMMA injection volume and the area of the intertrabecular space and that of trabecular bone calculated from the CT image (correlation coefficient, requals0.96 and requals-0.95, respectively). T- texture (requals-0.93) did correlate better with the actual PMMA volume more than the I-texture (requals0.57). Therefore, it was demonstrated that appropriate PMMA injection volume could be predicted based on the textural analysis for better clinical management of the osteoporotic spine.

Citation Download Citation

Gye Rae Tack, Hyung Guen Choi, Kyu-Chul Shin, and Sung Jae Lee "Relationship between trabecular texture features of CT images and an amount of bone cement volume injection in percutaneous vertebroplasty", Proc. SPIE 4324, Medical Imaging 2001: Image Perception and Performance, (26 June 2001); https://doi.org/10.1117/12.431193

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