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Fusion of the ear bones

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

See also:

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.

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.

Update Date: 8/30/2012

Updated by: Seth Schwartz, MD, MPH, Otolaryngologist, Virginia Mason Medical Center, Seattle, Washington. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.

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