[Conventional x-ray study and computed tomography in the diagnosis of orbital fractures].

37 cases of skull fractures with involvement of the orbit were reviewed retrospectively. The value of plain films, tomography and computed tomography was analysed. Combined use of 28 degrees Caldwell and water views revealed 96% of all orbital floor fractures. Orbital emphysema in facial bone fractures nearly almost (in 14 of 15 cases) indicated involvement of the medial orbital wall. CT--performed on a biplane basis--showed best diagnostic accuracy in evaluating orbital fractures. Axial CT scans revealed only 70% of all orbital floor fractures. Because of that coronal scans are especially necessary for evaluating the orbital floor and the orbital roof. CT is necessary for evaluating the medial orbital wall since conventional radiology only shows 15% of all medial orbital wall fractures.