Ossiculoplasty for Monocrural Stapes Anomaly

Abstract

Congenital anomalies of ossicle in the middle ear are rare and could appear in various forms. The most common congenital isolated ossicular anomalies are stapes fixation and incudostape dial discontinuity, with isolated congenital stapes fixation representing about one third of ossic ular malformations. We present a rare case of monocrural anomaly of unilateral stapes in a 36-year-old woman with nonprogressive conductive hearing loss. During explotympanotomy, the lateral half of the suprastructure of anomalous stapes was removed and sculptured total ossicular replacement prosthesis was fitted between the long process of incus and remained sta pes. Postoperative pure tone audiogram showed a significant decrease in air-bone gap. We report this case with a review of literature. � Korean J Otorhinolaryngol-Head Neck Surg 2013;56:448-51 Key WordsZZConductive hearing loss ㆍCongenital abnormalities ㆍStapes ㆍSurgical procedures.