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Spinal Bone Bruise: Can Computed Tomography (CT) Enable Accurate Diagnosis?
Domin Na1, Suk-Joo Hong1, Min A Yoon1
1Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, 148, Gurodong-ro, Guro-gu, Seoul 08308, Republic of Korea.
Academic Radiology
|July 20, 2016
Summary
Dual-energy computed tomography (DECT) effectively diagnoses spinal bone bruises by analyzing Hounsfield unit ratios. This technique, with or without calcium subtraction, proves useful in identifying fractures.
Area of Science:
- Radiology
- Orthopedics
- Medical Imaging
Background:
- Spinal bone bruises can be challenging to diagnose accurately.
- Dual-energy computed tomography (DECT) offers potential for improved visualization of bone injuries.
Purpose of the Study:
- To evaluate the diagnostic utility of DECT for spinal bone bruises.
- To compare DECT performance before and after calcium subtraction.
Main Methods:
- Retrospective analysis of 38 patients undergoing spinal DECT and MRI.
- Calculation of Hounsfield unit (HU) ratios between fractured and normal vertebrae.
- Comparison of HU ratios in fracture and non-fracture groups.
Main Results:
- Mean HU ratios were significantly higher in the fracture group compared to the non-fracture group (P < 0.001).
- DECT demonstrated high diagnostic accuracy, sensitivity, and specificity for spinal bone bruises.
- No significant difference in diagnostic performance was observed between DECT images before and after calcium subtraction.
Conclusions:
- The HU ratio on DECT images is a reliable diagnostic marker for spinal bone bruises.
- DECT is a valuable tool for diagnosing spinal bone bruises, with or without calcium subtraction.
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