CC BY-NC-ND 4.0 · Indian J Radiol Imaging 2020; 30(01): 59-63
DOI: 10.4103/ijri.IJRI_59_19
Musculoskeletal Imaging

Diagnostic accuracy of dual energy CT in the assessment of traumatic bone marrow edema of lower limb and its correlation with MRI

Harsh Yadav
Department of Radiodiagnosis, Era’s Lucknow Medical College and Hospital, Lucknow, Uttar Pradesh, India
,
Sachin Khanduri
Department of Radiodiagnosis, Era’s Lucknow Medical College and Hospital, Lucknow, Uttar Pradesh, India
,
Poonam Yadav
Department of Radiodiagnosis, Era’s Lucknow Medical College and Hospital, Lucknow, Uttar Pradesh, India
,
Sushma Pandey
Department of Radiodiagnosis, Era’s Lucknow Medical College and Hospital, Lucknow, Uttar Pradesh, India
,
Vivek Kumar Yadav
Department of Radiodiagnosis, Era’s Lucknow Medical College and Hospital, Lucknow, Uttar Pradesh, India
,
Shahla Khan
Department of Radiodiagnosis, Era’s Lucknow Medical College and Hospital, Lucknow, Uttar Pradesh, India
› Author Affiliations
Financial support and sponsorship Nil.

Abstract

Background: Bone marrow edema is assumed to be caused as a result of trabecular microfractures that are detected by MRI. As MRI is not widely available in countries like India, this study aims to encourage the use of DECT in detection of bone edema as evidence with comparable efficiency to MRI. Aim: To assess the diagnostic accuracy of dual-energy CT in detecting bone marrow edema in patients of trauma of lower limb and correlate it with MRI. Setting and Design: It is a cross-sectional study. Materials and Methods: The study included 40 patients of age 15–70 years irrespective of sex. All the patients of lower extremity trauma underwent DECT and MRI evaluation after clinical evaluation. All the images were postprocessed on a work station and were further evaluated by a radiologist. Results: Mean attenuation at fractured site observed by Dual energy CT was found to be significantly higher as compared to that at adjacent site (170.75 ± 33.99 vs. 19.73 ± 22.50 HU). The sensitivity and specificity of dual energy CT as compared to MRI in detecting bone marrow edema were 94.1% and 91.3%, respectively. Of the 40 cases enrolled in the study, agreement of MRI and Dual energy CT was observed in 37 (92.5%). Conclusion: Dual energy CT can be an effective alternative to MRI in the detection of bone marrow edema in patients of lower limb trauma. Dual energy CT can also be used in patients in whom MRI is contraindicated.



Publication History

Received: 07 March 2019

Accepted: 28 January 2020

Publication Date:
19 July 2021 (online)

© 2020. Indian Radiological Association. This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial-License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/).

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