Temporal bone fracture with displacement of bone.The otoscopic view is that of a right ear following healing after a temporal bone fracture. The pars tensa is intact, but it is adherent to a dislocated incus and capitulum capitulum /ca·pit·u·lum/ (kah-pit´u-lum) pl. capi´tula [L.] a small eminence on a bone, as on the distal end of the humerus, by which it articulates with another bone. of the stapes. The malleus is in its normal position. The posterosuperior external auditory canal external auditory canal n. See ear canal. wall is dislocated and displaced into the external auditory canal. A large conductive hearing loss Conductive hearing loss A type of medically treatable hearing loss in which the inner ear is usually normal, but there are specific problems in the middle or outer ears that prevent sound from getting to the inner ear in a normal way. was the result of a dislocated incus and fractured crura crura /cru·ra/ (kroo´rah) [L.] plural of crus. . Ossicular reconstruction was required to restore normal hearing. In cases of this sort, it is often necessary to remove some of the displaced bone of the posterior ear canal to restore normal contour and provide space for the reconstruction of the ossicular chain. |
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