Perforation of a part of tympanic membrane with destruction of tympanic annulus is called:
Correct Answer: Marginal
Description: (b) Marginal(Ref. Scott Brown, 8th ed. Vol 2; 989)Perforation of a part of pars tensa with destruction of tympanic annulus is called marginal perforation.Attic perforation is perforation of the pars flaccida.Subtotal perforation is a perforation when a small margin of pars tensa all around is still there.Total perforation is perforation of whole of the pars tensa along with its annulus.
Category:
ENT
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