Which of the following structures is not at immediate risk of erosion by cholesteatoma?
Cholesteatoma has the propey to destroy the bone by viue of the enzymes released by it.Structures immediately at the risk of erosion are:-The long process of the incusFallopian canal containing facial nerveHorizontal/lateral semicircular canalRef: PL Dhingra, Diseases of Ear, Nose & Throat, 7th edition, pg no. 73 - 74
Long process of incus
Fallopian canal containing facial nerve
Horizontal semicircular canal
Basal plate of stapes
Ear