Epidermoid Cyst
Fig. 12.1 Axial (a), coronal (b), and sagittal (c) CT scans of the brain demonstrating a hypodense lesion located at the left CPA angle. Note the supratentorial extension of the…
Posterior and Combined Petrosal Approaches
Fig. 4.1 The skin incision is made starting from the zygomatic arch approximately 1 cm anterior to the tragus and extending superiorly just behind the hairline. The incision curves posteriorly…
Petroclival Meningiomas
Fig. 7.1 Case illustration of removal of petroclival tumor via the retrosigmoid approach. (a, b) Coronal T1-weighted MRI with gadolinium demonstrating large petrotentorial tumor. (c) Axial T1-weighted MRI with gadolinium…
Endoscopic Endonasal Approach for Posterior Fossa Tumors
Fig. 6.1 Recurrent chordoma in a 61-year-old male patient. Patient underwent an upper and middle transclival EEA to remove the tumor (red arrows). A small dural invasion and opening into…
