END OF IMPRESSION: COMMENT: Serial axial images of the brain were obtained at 5 millimeter intervals through the posterior fossa and at 8 millimeter intervals to the vertex without contrast. In addition, serial one millimeter axial and coronal images were obtained through the temporal bones with bilateral targetted images in bone algorithm. Imaging of the left temporal bone reveals a complete bony atresia of the external canal and an atretic, small middle ear cavity. No ossicles are noted on the left. There was abnormal orientation of the temporomandibular joint.