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[A Comparative Study of MRI and CT Double-Contrast Arthrography in Diagnosis of Disc Adhesion of TMJ]

OBJECTIVE:To compare the results of CT-assisted double-contrast arthrography and MRI in the diagnosis of adhesion of TMJ. MATERIAL:18 patients with adhesion of TMJ were examined by CT-assisted double-contrast arthrography and MRI, and their results were analysed including position, degree and with or without osseous changes. RESULTS:18 cases of adhesion were demonstrated on CT-assisted double-contrast arthrography, and that only 6 cases of them were diagnosed on MRI.CONCLUSION: CT-assisted double-contrast arthrography is more sensitive and accurate than MRI in demonstrating the disk adhesion of TMJ.