Which of the following structures is not at immediate risk of erosion by cholesteatoma -
Ans. is 'd' i.e., Base plate of stapes o Cholesteatoma has the property to destroy the bone by virtue of the enzymes released by it.o Structures immediately at the risk of erosion are: -Long process of incus.Fallopian canal containing facial nerve.Horizontal / lateral semicircular canal
Long process of incus
Fallopian canal containing facial nerve
Horizontal/lateral semicircular canal
Base plate of stapes
CSOM and its Complications