Prussak space

Last revised by Dr Daniel J Bell on 04 Aug 2018

Prussak space is a subcomponent of the lateral epitympanic space and extends from the level of the scutum to the umbo. This space is best demonstrated on the oblique coronal image. 

Pars flaccida cholesteatoma, acquired or congenital, typically begins in Prussak space before extending and invading the surrounding structures.

It is named after Aleksandr Fedorovich Prussak (1839-1897), Russian otologist who described the detailed anatomy of the space in 1867 2-4.

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Cases and figures

  • Figure 1
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  • Case 1: cholesteatoma in Prussack space
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