Diagnostic performances of double-contrast arthrotomography and arthroscopic examination of the TMJ:Adhesion and fibrillation in superior joint compartment and perforation of posterior attachment of the disk

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• Dual-space, double-contrast arthrotomography and arthroscopic lysis and lavage operation were sequentially applied to 35 temporomandibular joints (TMJs). Authors compared to double-contrast arthrotomographic findings with arthroscopic findings in superior joint compartment of the TMJ.In 18 (51%) out of the 35 joints, adhesion in superior joint compartment was seen by both double-contrast arthrotomographs and arthroscopic examinations. Both arthrotomographic diagnosis and arthroscopic diagnosis were coincided in 30 joints.In 10 joints, fibrillations in superior joint compartment were seen by arthroscopic examinations. In four out of the 10 joints, fibrillations were detected by double-contrast arthrotomographs. Thus, only four of 10 fibrillations were diagnosed arthrotomographically, those were illustrated by the low sensitivity.Perforation was arthroscopically seen in four joints. Double-contrast arthrotomograph confirmed perforation in three out of these four joints and revealed perforations in twelve additional joints. Thus, only three of 15 perforations were diagnosed arthroscopically, those were illustrated by the low sensitivity.Double-contrast arthrotomography was superior to arthroscopic examination in detecting disk displacement, disk configuration and perforation of posterior attachment of the disk. Arthroscopic examination was inferior to arthroscopic examination in fibrillation in superior joint compartment. In the information on adhesion in superior joint compartment, diagnostic accuracy was equal in both methods. Double-contrast arthrotomography had high diagnostic performance in pre-operative joints of arthroscopic lysis and lavage.

• 一般社団法人 日本顎関節学会の論文

一般社団法人 日本顎関節学会 | 論文

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