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Diagnostic efficacy of CBCT, MRI, and CBCT-MRI fused images in distinguishing articular disc calcification from loose body of temporomandibular joint
- Source :
- Clinical Oral Investigations. 25:1907-1914
- Publication Year :
- 2020
- Publisher :
- Springer Science and Business Media LLC, 2020.
-
Abstract
- To evaluate the diagnostic efficacy of CBCT-MRI fused images for articular disc calcification of temporomandibular joint (TMJ). Twenty patients (24 TMJs) whose image examinations showed dense bodies in the TMJ space were included in the study. The locations of dense bodies evaluated by the three experts were used as a reference standard. Three oral and maxillofacial radiology residents evaluated whether the dense bodies were disc calcification or not, with a five-point scale for four sets of images (CBCT alone, MRI alone, both CBCT and MRI observed at a time, and CBCT-MRI fused images) randomly and independently. Each set of images was observed at least 1 week apart. A second evaluation was performed after 4 weeks. Intraclass correlation coefficients were calculated to assess the intra- and inter-observer agreement. The areas under the ROC curves (AUCs) were compared between the four image sets using Z test. Ten cases were determined as articular disc calcifications, and fourteen cases were recognized as loose bodies in the TMJ spaces. The average AUC index for the CBCT-MRI fused images was 0.95 and significantly higher than the other sets (p < 0.01). The intra- and inter-observer agreement in the CBCT-MRI fused images (0.90–0.91, 0.93) was excellent and higher than those in the other images. CBCT-MRI fused images can significantly improve the observers’ reliability and accuracy in determining articular disc calcification of the TMJ. The multimodality image fusion is feasible in detecting articular disc calcification of the TMJ which are hard to define by CBCT or MRI alone. It can be utilized especially for inexperienced residents to shorten the learning curve and improve diagnostic accuracy.
- Subjects :
- Cone beam computed tomography
Intraclass correlation
03 medical and health sciences
0302 clinical medicine
stomatognathic system
Humans
Medicine
General Dentistry
Temporomandibular Joint
medicine.diagnostic_test
Receiver operating characteristic
business.industry
Temporomandibular Joint Disc
Reproducibility of Results
Magnetic resonance imaging
Spiral Cone-Beam Computed Tomography
030206 dentistry
Cone-Beam Computed Tomography
Temporomandibular Joint Disorders
Oral and maxillofacial radiology
medicine.disease
Magnetic Resonance Imaging
Temporomandibular joint
medicine.anatomical_structure
030220 oncology & carcinogenesis
business
Nuclear medicine
Calcification
Subjects
Details
- ISSN :
- 14363771 and 14326981
- Volume :
- 25
- Database :
- OpenAIRE
- Journal :
- Clinical Oral Investigations
- Accession number :
- edsair.doi.dedup.....5b35b935515d61995fcb153cc5663ddc