Lesions involving the temporal bone, although rare, are often a challenge to manage given
the adjacent critical structures that are localized within the skull base. Fortunately, most
lesions involving the middle ear and mastoid are benign, thus obviating the need to obtain
the wide tissue margins that would typically result in significant morbidity. The microscopic
transcanal or postauricular approaches are the traditional means to excise lesions of the
middle ear and mastoid. Transcanal endoscopic ear surgery (TEES) is a relatively new …