CT TEMPORAL BONES, WITHOUT CONTRAST CLINICAL INDICATION: Left conductive hearing loss TECHNIQUE: High-resolution 0.75 mm sections through the temporal bones were obtained in the axial plane and were reformatted in the coronal plane. Images were viewed on soft tissue and bone windows. COMPARISON: [**Date**] FINDINGS: On the right side, the external auditory canal is patent. The tympanic membrane is unremarkable. The middle ear cavity is clear.