A thirty two year-old male was referred with a chief complaint of mouth opening limitation, and maxillofacial pain including left TMJ area. The patient had been treated in a private clinic with medications and conservative treatments, without any
improvements in symptoms. MRI findings showed a limitations in condylar head movements, and signs of disc adhesion without the Positional change. Panoramic views showed elongation of stylohyoid process. Brain C-T was taken due to the patients's
complaint of headache, facial pain, and paresthesia of tongue, and the result showed no abnormalities.
The first surgery included meniscoplasty and the removal of disc adhesion of left TMJ under the preliminary diagnosis of internal derangement with adhesion, and the patient displayed marked improvements in opening movements despite of persistent
hemiparesthesia of left facial areas and tongue, and mild dysphasia. Therefore, the second surgery was carried out with the preliminary diagnosis of Eagle's Syndrome, and a resolution of neurologic symptoms was obtained.
The final diagnosis of this case was Eagle's Syndrome with internal derangement, and the difficulties in diagnosis and treatment might be due to the existence of two separate diseases with similar symptoms.
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