Postoperative Vertebral Column Complications
Fig. 63.1 The four curvatures of the adult vertebral column: “cervical, thoracic, lumbar, and sacral.” Thoracic and sacral ones exist during fetal life and are called primary (1°) curvatures. The…
Neuroimaging of Posterior Fossa Ependymoma in Children
Fig. 21.1 Origin and classification of ependymomas. (a) Midfloor type. Sagittal T2-weighted image (a) shows tumor almost completely filling the fourth ventricle with a clear-cut cleavage with the vermis (arrowheads)….
Intraoperative Neurophysiological Monitoring in Posterior Fossa Surgery
Fig. 13.1 Schematic classification of intraoperative neurophysiology techniques in the posterior fossa surgery. Left panel: neurophysiological mapping allows to identify the functional landmarks such as the nuclei of motor cranial…
Surgery of Medulla Oblongata Tumors
Fig. 34.1 (a) Focal medulla oblongata tumor with contrast enhancement, sagittal view. (b) Axial cut demonstrates a very thin layer of medulla. (c) Postoperative sagittal view. (d) Postoperative axial cut…
Medical Management of Choroid Plexus Tumors
49.2.4 Treatment Algorithm Based upon the available literature, the experience of the prospective trial CPT-SIOP-2000, and expert opinion, an international meeting decided guidelines how choroid plexus tumors should be treated….
Imaging Findings of CNS Atypical Teratoid/Rhabdoid Tumors
Fig. 39.1 Axial CT and MRI posterior fossa images of a 3 years old boy. CT section without contrast through the midpons level shows a hyperattenuated heterogeneous midline mass with…
Paramedian Approaches to the Posterior Fossa
Fig. 9.1 Lateral approaches to posterior cranial fossa and its contents In July 1897, Fedor Krause performed a unilateral suboccipital craniotomy in a patient with a tumor involving the CPA…
Neuroimaging of Posterior Fossa Astrocytoma in Children
, Maria Consiglio Buonocore1, Domenico Cicala1, Anna Nastro1 and Emilio Cianciulli1 (1) Division of Pediatric Neuroradiology, Department of Neurosciences, Santobono Pausilipon Children’s Hospital, Naples, Italy (2) Department of Neurosciences, Service of Neuroradiology, Santobono Pausilipon Children’s…
Chordomas: Pathology
Fig. 46.1 Physaliferous cells with multivacuolation swimming in mucin-rich matrix The cells contain relatively uniform, small, oval, eccentric nuclei with smooth nuclear contours and evenly distributed chromatin. Although rare, nuclear…
Treatment of Medulloblastoma: Chemotherapy
M0 No gross nodular or laminar subarachnoid or hematogenous metastasis M1 Microscopic tumor cells in the cerebrospinal fluid M2 Gross nodular or laminar seeding in the cerebellum, cerebral subarachnoid space,…
