MRI and arthroscopic findings in the temporomandibular joint after mandibulectomy including the unilateral condyle - Report of two cases

In this report, the MRI and arthroscopic findings in the temporomandibular joint (TMJ) of two patients who underwent partial mandibulectomy including the condyle are presented. The disc and superior joint compartment of the a ffected TMJs were preserved in both patients. MRI of the affected TMJs with out condyle demonstrated that the intermediate zone of the discs was locate d anteriorly to the summit of the articular eminence. Joint effusion was de tected in the superior joint compartment of one patient. Fibrous adhesions were observed arthroscopically in the superior joint compartment of both af fected TMJs. In contrast, no specific findings were demonstrated in the con tralateral TMJs connected with the residual mandibular fragment.