Skull Base Surgery of the Posterior Fossa

78

Fig. 6.3 Ventral foramen magnum meningioma in a
47-year-old female patient. Patient underwent a lower
transclival EEA for removal of the lesion (red arrows).

Postoperative MRI shows a gross total resection with the

multilayered reconstructions of the small clival opening

Fig. 6.4 Right side chondrosarcoma in a 32-year-old
female patient (red arrows). Patient underwent an EEA
for total resection. Notice in the surgical images the access

is limited by the Eustachian tube that is then removed

allowing an adequate access to the tumor and gross total

resection

A. Beer-Furlan et al.