Bilateral Temperomandibular Joint Ankylosis With A Rare Radiographic And Clinical Presentation

Abstract- Temperomandibular joint ankylosis is a relatively common anomaly affecting the face causing facial asymmetry which necessitates multiple surgeries to restore function and form to near normal. The most important diagnostic aid in T.M.J ankylosis is radiography ranging from conventional radiography to C.T scans. This is a case report of an unusual radiographic presentation of bilateral T.M.J ankylosis. The C.T scan revealed a peculiar situation which appeared like an abnormal anomaly - A well-defined radiolucency with multicystic appearance replaced the usual picture of T.M.J ankylosis of a radio-opaque mass obliterating the normal architecture of the joint. Surgical exploration revealed compartmental cavities within the ankylosed masses bilaterally which was filled with air. The differential diagnosis was tabled out as either Aneurysmal bone cyst idiopathic bone cavity or Mastoid air cells extending into the ankylosed segment.