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StudyThe Journal of bone and joint surgery. American volume · 2026

Edema-Enhanced CT Derived from Quantitative Dual-Energy CT Reduces Experience-Related Variability in Sacral Fragility Fracture Diagnosis.

Takahiro Oda, Shimpei Kitada, Hitoshi Hirase … Takahiro Niikura

OrthopedicsStudy

Edema-enhanced CT uses a relative standard value of 1.000 to identify sacral fragility fractures.

Edema-Enhanced CT Derived from Quantitative Dual-Energy CT Reduces Experience-Related Variability in Sacral Fragility Fracture Diagnosis.

Takahiro Oda et al. · The Journal of bone and joint surgery. American volume · 2026

Background

Sacral fractures are difficult to diagnose.

Purpose

This study developed an edema-enhanced CT (EECT) technique based on DECT and evaluated its diagnostic performance for sacral fractures.

Methods

Fifty Japanese patients with suspected sacral fractures (mean age, 82.4 years; 41 women) underwent single-energy CT (SECT), DECT, and magnetic resonance imaging (MRI).

n = 41 women

1.000

Results

Optimal relative standard value of 1.000 detects sacral fragility fractures.

n = 41 women

More results

For both fracture detection and localization, EECT showed the highest sensitivity, specificity, and diagnostic accuracy, particularly for fracture site identification.

“

Conclusion · 1 of 2

EECT showed better performance than DECT and SECT in sacral fracture detection and localization, providing high accuracy and reliability regardless of observer experience, and it may be useful for sacral fractures.

Conclusion · 2 of 2

LEVEL OF EVIDENCE: Diagnostic Level IV. See Instructions for Authors for a complete description of levels of evidence.

Post

Edema-Enhanced CT Derived from Quantitative Dual-Energy CT Reduces Experience-Related Variability in Sacral Fragility Fracture Diagnosis.

Edema-enhanced CT uses a relative standard value of 1.000 to identify sacral fragility fractures.

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