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May 1966

The Incus, Normal and Pathological

Author Affiliations

From the Manhattan Eye, Ear, and Throat Hospital, New York.

Arch Otolaryngol. 1966;83(5):413-419. doi:10.1001/archotol.1966.00760020415003

RECENTLY in tympanoplasty the incus has been transposed from its natural position in the middle ear and used to repair the defect in the conductive mechanism. This ossicle is interposed between the handle of the malleus and the head or footplate of the stapes. In mostcases requiring transposition of the incus, the defect in the ossicular chain was the result of chronic otitis media and mastoid infection. Observation of the pathological process present in the incudi removed from infected ears should come under consideration.

Many excellent papers have been written on the blood supply1-7 and development of the ossicles. The great anatomic variation in the structure of the incus has been stated by Bast and Anson.5 We feel, however, that