Highlights
- •Key findings By applying multi-direction adjusted multi-planar reconstruction (MDA-MPR) to CT images, we demonstrated its diagnostic value in evaluating anterior cruciate (ACL) ligament injuries. The power of this technology is that the full-length ligament may be viewed on a single imaging plane, thereby allowing for easy assessment of structural continuity.
- •Importance: MDA-MPR with CT provides a non-invasive alternative to standard approaches used in ACL injury assessment with notable sensitivity and specificity for complete ACL tears.
Rationale and Objectives
To analyze the diagnostic performance of MDA-MPR with CT for evaluating ACL structural
continuity.
Methods
A total of 145 patients with highly suspected ACL injury admitted to our hospital
between January 2016 and May 2021 were retrospectively enrolled. All patients had
undergone examination with MRI, CT, and arthroscopy. Taking arthroscopy results as
the gold standard, the diagnostic accuracy for identifying ACL rupture by MRI and
MDA-MPR with CT were compared.
Results
The receiver operator characteristic curves demonstrated that both MRI and MDA-MPR
with CT performed well in the diagnosis of ACL tears. The sensitivities of MRI and
MDA-MPR with CT for diagnosing complete ACL tears were 95.16% (59/62) and 90.32% (56/62),
respectively. Their specificities in this regard were 77.11% (64/83) and 84.34% (70/83),
respectively. MRI had a higher sensitivity but MDA-MPR with CT had a higher specificity
for detecting complete ACL tears, and the differences were statistically significant
(p <.05). The sensitivities of diagnosing partial ACL tears using MRI and MDA-MPR with
CT were 78.79% (26/33) and 75.76% (25/33), respectively, while the specificities were
86.61% (97/112) and 90.18% (101/112), respectively. These differences were non-significant
(p >.05).
Conclusion
MDA-MPR with CT has high diagnostic efficiency for ACL injuries, especially in the
diagnosis of complete ACL tears.
Key Words
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Article info
Publication history
Published online: March 01, 2022
Accepted:
December 30,
2021
Received in revised form:
December 30,
2021
Received:
November 17,
2021
Footnotes
Funding: This study was funded by the Clinical Medicine +X Project of The Affiliated Hospital of Qingdao University (Grant No. QDFY+X2021016).
Identification
Copyright
© 2022 The Association of University Radiologists. Published by Elsevier Inc. All rights reserved.
