Original Investigation| Volume 29, ISSUE 11, e240-e247, November 2022

Diagnostic Performance of Multi-Direction Adjusted Multi-Planar Reconstruction with Helical CT for Evaluating Continuity of the Anterior Cruciate Ligament

Published:March 01, 2022DOI:


      • 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.


      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.


      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).


      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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