- A dictionary of medical eponyms

Mondini's deformity

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A deformity of the inner ear characterised by reduced coiling of the cochlea. It represents a small cochlea with incomplete or no intrascalar septa. The cochlea is usually flat and has one and one-half turns instead of the normal two and one-half turns. Arrest of maturation at the gestational seventh week may result in the Mondini deformity.


  • J. G. Feghali, C. A. Leone, F. H. Linthicum Jr:
    Residual high-frequency hearing in a patient with Mondini's deformity: clinical implications.
    American Journal of Otology, July 1985, 6 (4): 336-337.

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