MRI of the temporo-mandibular joint: which sequence is best suited to assess the cortical bone of the mandibular condyle? A cadaveric study using micro-CT as the standard of reference

Objective To determine the best suited sagittal MRI sequence out of a standard temporo-mandibular joint (TMJ) imaging protocol for the assessment of the cortical bone of the mandibular condyles of cadaveric specimens using micro-CT as the standard of reference. Methods Sixteen TMJs in 8 human cadave...

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Bibliographic Details
Published in:European radiology 2012-07, Vol.22 (7), p.1579-1585
Main Authors: Karlo, Christoph A., Patcas, Raphael, Kau, Thomas, Watzal, Helmut, Signorelli, Luca, Müller, Lukas, Ullrich, Oliver, Luder, Hans-Ulrich, Kellenberger, Christian J.
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Arthritis
Bone marrow
Cadaver
Cysts
Dentistry
Diagnostic Radiology
Edema
Humans
Image Enhancement - methods
Imaging
Internal Medicine
Interventional Radiology
Magnetic resonance imaging
Male
Mandibular Condyle - anatomy & histology
Mandibular Condyle - diagnostic imaging
Medicine
Medicine & Public Health
Musculoskeletal
Neuroradiology
Radiology
Reproducibility of Results
Sensitivity and Specificity
Temporomandibular Joint - anatomy & histology
Temporomandibular Joint - diagnostic imaging
Tomography, X-Ray Computed - methods
Tomography, X-Ray Computed - standards
Ultrasound
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Summary:Objective To determine the best suited sagittal MRI sequence out of a standard temporo-mandibular joint (TMJ) imaging protocol for the assessment of the cortical bone of the mandibular condyles of cadaveric specimens using micro-CT as the standard of reference. Methods Sixteen TMJs in 8 human cadaveric heads (mean age, 81 years) were examined by MRI. Upon all sagittal sequences, two observers measured the cortical bone thickness (CBT) of the anterior, superior and posterior portions of the mandibular condyles (i.e. objective analysis), and assessed for the presence of cortical bone thinning, erosions or surface irregularities as well as subcortical bone cysts and anterior osteophytes (i.e. subjective analysis). Micro-CT of the condyles was performed to serve as the standard of reference for statistical analysis. Results Inter-observer agreements for objective (r = 0.83-0.99, P  
ISSN:0938-7994
1432-1084
DOI:10.1007/s00330-012-2391-8