Radiology Key

Fig. 1 a Schematic drawing of a cochlear implant showing the externally worn speech processor and microphone, which is magnetically attached to a subcutaneous implanted receiver. The receiver contains electronics to…

Fig. 1 The normal petrous apex as is it seen in most patients. On the CT images (a) the bone marrow in the petrous apex is obviously seen bilaterally (arrows). On…

Fig. 1 Longitudinal fracture of the anterior subtype. Fall on the head, after 3 days an incomplete peripheral facial nerve palsy has developed. Fracture lines through the anterior squamous portion of the…

Fig. 1 Three consecutive axial (a–c) and coronal (d–f) CT images are shown in a nonotospongiotic ear to insist on the careful inspection of the dense appearance of the normal bone…

Fig. 1 Chronic otomastoiditis. On this axial CT scan a small, underdeveloped, poorly pneumatized mastoid is visible (arrows) Opacification of mastoid air cells and sclerosis of mastoid are typical imaging findings…

Fig. 1 CT in a patient with coalescent mastoiditis on the right side obviously shows coalescence of the mastoid cells and resorption of the lateral mastoid wall (arrows) (a, c). The…