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Fusion of the ear bones

Definition

Fusion of the ear bones is the joining of the bones of the inner ear. These are the incus, malleus, and stapes bones.

Related topics include:

Causes

Fusion may be caused by:

  • Birth (congenital) defect
  • Infection
  • Injury

Symptoms

Fusion of the bones leads to hearing loss, because the bones are not moving and vibrating in reaction to sound waves.

Images

Ear anatomy
Medical findings based on ear anatomy

References

Torres AI, Backous DD. Clinical assessment and surgical treatment of conductive hearing loss. In: Cummings CW, Flint PW, Haughey BH, et al. eds. Otolaryngology: Head and Neck Surgery. 5th ed. Philadelphia, PA: Mosby Elsevier; 2010:chap 143.

House JW, Cunningham CD III. Otosclerosis. In: Cummings CW, Flint PW, Haughey BH, et al. eds. Otolaryngology: Head and Neck Surgery. 5th ed. Philadelphia, Pa: Mosby Elsevier; 2010:chap 144.

O'Handley JG, Tobin EJ, Shah AR. Otorhinolaryngology. In: Rakel RE, ed. Textbook of Family Medicine. 8th ed. Philadelphia, PA: Saunders Elsevier; 2011:chap 19.

Review Date: 
8/4/2014
Reviewed By: 
Ashutosh Kacker, MD, BS, Professor of Clinical Otolaryngology, Weill Cornell Medical College, and Attending Otolaryngologist, New York-Presbyterian Hospital, New York, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.