Congenital malformation: Abnormal position of the malleus.The otoscopic view is that of a right ear with a malformation and malformation of the malleus. The external auditory canal external auditory canal n. See ear canal. is normal, and the pars tensa is intact. The malleus is malformed with a shortened lateral process and an elongated neck. The umbo umbo /um·bo/ (um´bo) pl. umbo´nes [L.] 1. a rounded elevation. 2. the slight projection at the center of the outer surface of the tympanic membrane. um·bo n. and the inferior portion of the manubrium manubrium /ma·nu·bri·um/ (mah-noo´bre-um) pl. manu´bria [L.] a handle-like structure or part, such as the manubrium of the sternum. are malpositioned more anteriorly than normal. The ear might or might not have a hearing loss. If a 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. is present, tympanoplasty performed under local anesthesia might be desirable. Use of a hearing aid is an alternate method of treatment. From Gap, France (Dr. Deguine) and the Pulec Ear Clinic, Los Angeles (Dr. Pulec). |
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