Fig. 30.1 Schwannoma of the trigeminal nerve. Coronal T1-weighted gadolinium-enhanced MR image. A large enhancing mass is centered in the left parasellar region Fig. 30.2 Trigeminal schwannoma. (a) Axial T1-weighted…
Fig. 17.1 Pituitary apoplexy. (a) Sagittal T1-weighted pre-gadolinium image. (b) Coronal T1-weighted pre-gadolinium image. (c) Sagittal T1-weighted post-gadolinium image. (d) Coronal T1-weighted post-gadolinium image. Within the sella, there is an…
Fig. 54.1 Sellar tuberculoma. (a) Sagittal T1-weighted gadolinium-enhanced image. (b) Coronal T1-weighted gadolinium-enhanced image. A heterogeneously enhancing mass of the sella and suprasellar region is visualized. A patchy area of…
Fig. 57.1 Lymphocytic hypophysitis. (a) Sagittal T1-weighted gadolinium-enhanced MR image. (b) Coronal T1-weighted gadolinium-enhanced image. Nodular thickening involves the superior pituitary stalk. The pituitary gland appears normal in size Fig….
Fig. 48.1 Fibrosarcoma. Sagittal noncontrast MRI of the pituitary (arrows) shows a spontaneously sclerosing epithelioid fibrosarcoma extending superiorly to the optic chiasm (Adapted with permission from Massier et al. [11].)…
Fig. 34.1 Optic glioma. (a) Axial T2-weighted image. (b) Coronal T2 inversion-recovery (IR) image. (c) Axial T1-weighted gadolinium-enhanced image. The optic nerves are diffusely enlarged bilaterally, with enhancement extending to…
Fig. 46.1 Sinonasal adenocarcinoma. Coronal MRI shows an invasive mass (arrow) arising from the left middle turbinate, with extension to the ethmoid sinus, maxillary sinus, and floor of the orbit…
Fig. 27.1 Colloid cyst. (a) Sagittal T1-weighted post-gadolinium image. (b) Coronal T1-weighted post-gadolinium image. A lobular cyst with a thin rim of enhancement is centered in the sella, with suprasellar…
Fig. 74.1 Digital subtraction angiography (DSA) image of pseudoaneurysm. This anterior-posterior projection following left internal carotid artery (ICA) injection shows a small, medially projecting aneurysm arising from the cavernous segment…
Fig. 72.1 Traumatic injury to anterior skull base fracture. (a) Sagittal CT image reconstructed in bone algorithm. (b) Coronal CT image with intravenous contrast enhancement. Comminuted fractures of the planum…
