Surgical landmarks for the identification of facial nerve in mastoid surgeries are all except:: (A) Below the processus cochleariformis, (B) Above and posterior to oval window, (C) Medial to short process of incus, (D) Behind the pyramid
Answer is A. (a) Below the processus cochleariformis(Ref. Scott Brown, 6th ed., 1386, 1387)The first genu of facial nerve lies antero-superior to the Processes cochleariformis.