Most common perforation site in tympanic membrane in ASOM:
(a) Antero-inferior(Ref. Shambaugh, 6th ed., 437; Scott Brown, 8th ed., Vol 2; 147).However this answer is controversial as according to Shambaugh it is most commonly anteroinferior but Scott Brown says it is the posterior half of pars tensa.
Antero-inferior
Postero-inferior
Antero-superior
Postero-superior
Ear