Which of the following structures is not at immediate risk of erosion by cholesteatoma ?
Correct Answer: Base plate of stapes
Description: Ans. is 'd' i.e., Base plate of stapes Cholesteatoma has the propey to destroy the bone by viue of the enzymes released by it. Structures immediately at the risk of erosion are : - Long process of incus. Fallopian canal containing facial nerve. Horizontal / lateral semicircular canal
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ENT
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