Fusion of the ear bones is the joining of the bones of the inner ear -- the incus, malleus, and stapes bones.
Fusion may be caused by:
Fusion of the bones leads to hearing loss, because the bones are not moving and vibrating in reaction to sound waves.
Torres AI, Backous DD. Clinical assessment and surgical treatment of conductive hearing loss. In: Cummings CW, Flint PW, Haughey BH, et al, eds. 5th ed. Philadelphia, Pa: Mosby Elsevier; 2010:chap 143.
Medical findings based on ear anatomy