The provider accesses the middle cranial fossa using an infratemporal (below the temporal fossa) preauricular (in front of the external ear) approach, sometimes called a transparotid approach, to expose a lesion or defect at the base of the skull. For lesions that extend posteriorly into the temporal bone, the provider can choose to combine this approach with a transtemporal approach. The selection of a particular approach will depend on the location and size of the lesion.
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