The value of HRCT in diagnosing the fracture of medial orbital wall.

Objective To evaluate HRCT in the diagnosis of the fracture of medial orbital wallMethods HRCT findings in 45 eyes of 38 patients(31 males and 7 females) with fracture of medial orbital wall were retrospectively analyzed.HRCT was performed with slice thickness of 2mm,and bone algorithm.Results In 45 eyes of 38 cases of the fracture of medial orbital wall,13 eyes of 7 cases were direct fracture,27 eyes of 27 cases were burst fracture and others were complex fracture.The HRCT findings of the fracture of medial orbital wall were followed:orbital bone discontinuity and displacement(25 eyes of 22 cases),comminuted bone(8 eyes of 6 cases),orbital flexion abnormality or excavation(12 eyes of 10 cases).Conclusions HRCT can well demonstrate the anatomy of medial orbital wall,and accurately display the bony details including location,extent and secondary changes of the fracture of medial orbital wall,have important clinical value for diagnosis of the fracture of medial orbital wall.