Endoscopic Endonasal Transsphenoidal Approach
Fig. 2.1 Anatomical images of endoscopic exploration of the right nostril and identification of the nasal landmarks. (a) The inferior portion of the right nostril. (b) The middle turbinate. (c)…
Endoscopic Endonasal Transsphenoidal Approach
Fig. 6.1 (a) Sagittal, (b) coronal, and (c) axial preoperative MRi scans showing an intra- and suprasellar infradiaphragmatic craniopharyngioma, partially cystic, displacing upward the optic chiasm and the floor of…
Cranial Base Reconstruction After Transcranial and Transnasal Skull Base Surgery for Median Lesions
Fig. 29.1 Diagram showing inlay and onlay technique of synthetic dura placement. (a) Coronal view showing how the synthetic dura is introduced above the supraorbital walls in a double layer….
Frontotemporal Approach
Fig. 11.1 MRI study in a 39-year-old woman. MRI study without contrast-medium administration: (a) coronal spin-echo T1-weighted (T1WI), (b) coronal turbo-spin-echo T2-weighted (T2WI) and (c) coronal gradient-echo T2* sequences. MRI…
Endoscopic Endonasal Ethmoid-Pterygoid Transsphenoidal Approach to the Cavernous Sinus
Fig. 3.1 MRI after gadolinium. Different tumors should be approached with different approaches, considering their different biological features and paths of growth. In (a, b) (coronal and axial views), the…
Supraorbital Approach
Fig. 22.1 MR imaging of a planum sphenoidale meningioma. (a) Axial T1-weighted contrast-enhanced image. (b) Coronal T1-weighted contrast-enhanced image. (c) Sagittal T2-weighted image showing perifocal edema (Created by H.W. Schroeder…
Supraorbital Approach
Fig. 12.1 MRI of a 52-year-old man with a visual loss and panhypopituitarism with a typical retrochiasmal craniopharyngioma. He underwent uneventful endonasal endoscopic gross total tumor resection. He is currently…
Subfrontal Approach
Fig. 21.1 T1-weighted MR images with gadolinium contrast enhancement showing a planum sphenoidale meningioma. Preoperative coronal (a) and sagittal (b) scans; postoperative coronal (c) and sagittal (d) scans In T1-weighted…
Endoscopic Treatment of Arachnoid Cysts
Fig. 16.1 (a) Arachnoid cyst of the middle fossa. Note the inner layer bulging medially behind the carotid artery. (b) Same patient as shown in (a), coronal view, where a…
Endoscopic Endonasal Transsphenoidal Approach
Fig. 25.1 (a) Sagittal and (b) axial preoperative MRI scans showing an invasive extradural sellar chordoma extending to the clivus. This latter T2-weighted image shows the typical inhomogeneous hyperintensity known…
