Simple Summary Skull base meningiomas have always represented a challenge for
neurosurgeons. Despite their histological nature, they may be associated with unfavorable …

OBJECTIVE The petrous apex (PA) is one of the most challenging areas in skull base
surgery because it is surrounded by numerous critical neurovascular structures. The authors …

Purpose This study defines the specific areas that connect the surgical corridors of the
endoscopic endonasal (EEA) and transorbital approach (TOA) to identify adequate clinical …

Background and objective Surgical approaches to the petrous apex region are extremely
challenging; while subtemporal approaches and variations represent the milestone of the …

The efficacy of spinal drain (SD) placement for cerebrospinal fluid (CSF) leakage prevention
after the anterior transpetrosal approach (ATPA) remains unclear. Thus, we aimed to assess …

Objectives This study aimed to establish the anatomical landmarks for performing a
contralateral transmaxillary approach (CTM) to the petrous apex (PA) and petroclival region …

Background It is well known that the clivus is composed of abundant cancellous bone and is
often invaded by pituitary adenoma (PA), but the range of these cancellous bone corridors is …

Background A trans‐lateral oropharyngeal wall approach (TLOWA) to the petrous apex has
not been previously defined. This study aims to assess the feasibility of a TLOWA for surgical …

OBJECTIVE The mainstay of treatment for skull base chordoma (SBC) is maximal safe
resection followed by radiotherapy. However, even after gross-total resection (GTR), the …

OBJECTIVE The endoscopic transorbital approach (ETOA) has been demonstrated to be a
feasible ventral route to the petrous apex. Yet, it has been pointed to as a deep and narrow …