Anatomy Anteriorly - nasal cavity Posteriorly - skull base and vertebral b odies Inferiorly --oropharynx and soft palate Laterally Eustachian tubes and tori Fossa of Rosenmuller - most common locationAnatomy Anteriorly -- nasal cavity Posteriorly -- skull base and vertebral bodies Inferiorly -- oropharynx and soft palate Laterally -- – Eustachian tubes and tori – Fossa of Rosenmuller - most common location