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. 2022 Aug;29(4):691-696.
doi: 10.1007/s10140-022-02046-0. Epub 2022 May 3.

Quantification of bone marrow edema using dual-energy CT at fracture sites in trauma

Mashya Abbassi  1 , Ashwin Jain  2 , Donghoon Shin  2 , Carlota Andreu Arasa  2 , Baojun Li  2 , Stephan W Anderson  2 , Christina A LeBedis  2
Affiliations

Quantification of bone marrow edema using dual-energy CT at fracture sites in trauma

Mashya Abbassi et al. Emerg Radiol. 2022 Aug.

Abstract

Purpose: The purpose of our study was to analyze the change in water and fat density within the bone marrow using the GE Revolution dual-energy computed tomography (DECT) platform using two-material decomposition analyses at extremity, spine, and pelvic fracture sites compared to normal bone marrow at equivalent anatomic sites in adult patients who sustained blunt trauma.

Methods: This retrospective study included 26 consecutive adults who sustained blunt torso trauma and an acute fracture of the thoracolumbar vertebral body, pelvis, or upper and lower extremities with a total of 32 fractures evaluated. Two-material decomposition images were analyzed for quantitative analysis. Statistical analysis was performed using the paired t-test and Shapiro-Wilk test for normality.

Results: There were statistically significant differences in the water and fat densities in the bone marrow at the site of an extremity, vertebral body, or pelvic fracture when compared to the normal anatomic equivalent (p < 0.01).

Conclusion: In this preliminary study, DECT basis material images, using water (calcium) and fat (calcium) decomposition illustrated significant differences in water and fat content between fracture sites and normal bone in a variety of anatomical sites.

Keywords: Dual energy; Fracture; Material decomposition; Trauma.

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