Fig. 5.1 Extended endoscopic approaches allow access from the anterior skull base anteriorly to the foramen magnum and upper cervical spine inferiorly (Courtesy of Dr. Luigi Cavallo) 5.2 Comparison of…
Fig. 12.1 Growth hormone (GH)–secreting adenoma. (a) Axial noncontrast CT scan with bony windowing. (b) Intraoperative endoscopic photo. The CT scan shows the large caliber and prominence of the internal…
Fig. 2.1 CT image in sagittal-plane reformation shows the shape and size of the sella, with the pituitary gland and stalk clearly visualized In evaluating sellar lesions, CT has an…
Fig. 10.1 Nonfunctioning pituitary adenoma. (a) Sagittal T1-weighted post-gadolinium image. (b) Coronal T1-weighted post-gadolinium image. A hypoenhancing sellar mass remodels the sellar floor and abuts the cavernous internal carotid arteries…
Fig. 50.1 Metastasis from breast cancer. (a) Sagittal T1-weighted gadolinium-enhanced MR image. (b) Coronal T1-weighted gadolinium-enhanced image. A large, heterogeneously enhancing mass is centered in the sella with suprasellar extension….
Fig. 18.1 Atypical pituitary adenoma. (a) Sagittal T1-weighted post-gadolinium image. (b) Coronal T1-weighted post-gadolinium image. A large, heterogeneously enhancing sellar mass demonstrates suprasellar extension and encasement of the right cavernous…
Fig. 59.1 The progressive growth pattern of cavernous and clinoid segment internal carotid artery (ICA) (infradiaphragmatic) aneurysms (a–c)medially into the sella, causing compression of the pituitary gland (Courtesy of Dr….
Fig. 66.1 Encephalocele. Sagittal T1-weighted MR image (a) and sagittal T2-weighted MR image (b) showing a basal encephalocele extending into the nasopharynx (From Chen et al. [10]; with permission) Fig….
Fig. 56.1 Neurosarcoidosis. (a) Sagittal T1-weighted precontrast MR image. (b) Sagittal T1-weighted gadolinium-enhanced image. (c) Axial T1-weighted gadolinium-enhanced image. On (a) and (b), the pituitary stalk and gland are diffusely…
Fig. 25.1 Arachnoid cyst. (a) Sagittal T1-weighted post-gadolinium image. (b) Coronal T1-weighted post-gadolinium image. A nonenhancing lesion is located in the sella with suprasellar extension. The signal intensity of the…
