Volume 20 Issue 3
Mar.  2022
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Article Navigation >  Chinese Journal of General Practice  > 2022  >  20(3): 461-463
HUANG Hong, XU Xu, YAN Qin, FANG Xin. Comparison of MSCT three-dimensional reconstruction and MRI in the diagnosis of mandibular condylar fracture[J]. Chinese Journal of General Practice, 2022, 20(3): 461-463. doi: 10.16766/j.cnki.issn.1674-4152.002378
Citation: HUANG Hong, XU Xu, YAN Qin, FANG Xin. Comparison of MSCT three-dimensional reconstruction and MRI in the diagnosis of mandibular condylar fracture[J]. Chinese Journal of General Practice, 2022, 20(3): 461-463. doi: 10.16766/j.cnki.issn.1674-4152.002378
shu

Comparison of MSCT three-dimensional reconstruction and MRI in the diagnosis of mandibular condylar fracture

doi: 10.16766/j.cnki.issn.1674-4152.002378
  • 1.

    Department of Radiology, Quzhou Hospital of Traditional Chinese Medicine, Quzhou, Zhejiang 324002, China

Funds:

 2018KY878

  • Received Date: 2021-09-05
    Available Online: 2022-08-13
    Abstract
  •   Objective  To observe the differential diagnosis effect of MSCT three-dimensional reconstruction and MRI on mandibular condylar fracture with different characteristics.  Methods  A total of 150 patients with mandibular condylar fracture treated at Quzhou Hospital of Traditional Chinese Medicine and the Second Affiliated Hospital of Zhejiang University School of Medicine from June 2019 to June 2021 were studied. All patients underwent multi-slice spiral CT(MSCT) scanning, three-dimensional reconstruction and MRI before operation. The sensitivity, specificity and accuracy of the two methods in the diagnosis of mandibular condylar fracture types and fracture displacement, as well as the diagnostic coincidence of soft tissue injury, were investigated.  Results  There was no significant difference in the sensitivity, specificity and accuracy of MSCT three-dimensional reconstruction and MRI in the diagnosis of different types of mandibular condylar fractures, such as condylar head fracture, condylar neck fracture and subcondylar fracture (all P>0.05). There was no significant difference in the sensitivity, specificity and accuracy of MSCT three-dimensional reconstruction and MRI in the diagnosis of different mandibular condylar fracture displacement, such as in situ bone fracture, bending displacement and dislocation fracture (all P>0.05). The diagnostic accuracy of MRI for ligament tear and condylar surface cartilage injury[81.97%(50/61) and 80.49%(66/82)] was significantly higher than that of MSCT scanning three-dimensional reconstruction[63.93%(39/61) and 65.85%(54/82)], χ2=5.587, 4.473; P=0.018, 0.034.  Conclusion  The diagnostic ability of MSCT scanning three-dimensional reconstruction for the type and displacement of mandibular condylar fracture is comparable to that of MRI, whereas MRI has better diagnostic ability for soft tissue injury. Clinically, the two methods can be combined to improve the comprehensive diagnostic efficiency of mandibular condylar fracture and surrounding soft tissue injury.

     

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