Cholesteatoma commonly perforates –
Correct Answer: Lat. semicircular canal
Description: Cholesteatoma has the property to destroy the bone by virtue of the various enzymes released by it.
Structures immediately at the risk of erosion are:
– Long process of incus.Q
– Fallopian canal containing facial nerve. Q
– Horizontal/lateral semicircular canal. Q
Category:
ENT
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