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,…
Surgical Approach to Mesencephalic Tumors
Fig. 32.1 Tectal plate glioma cases with i.v. contrast MR study. (a–c) does not have contrast enhancement and (d) minimal, whereas (e, f) demonstrates significant contrast enhancement MRI is more…
Imaging Findings of the Pediatric Clivus Chordomas
Fig. 45.1 MRI and CT findings in a 10-year-old-girl with a clival chordoma. Sagittal T1-weighted MR image shows a clival mass that has a hyperintense focus which represents highly proteinaceous…
Dermoid Tumors
Series Number of patients (M:F) Age range (mean) Pathology Location in PF Outcome/complication Recurrence/reoperation f/u period (mean) Schijman et al. [15] 7 2–6 years 2 dermoids PF 2 deaths (1…
Radiotherapy Options of Brainstem Tumors
Fig. 36.1 Focal brainstem glioma, sagittal T1 image Over the same period improvements in neurosurgical techniques and perioperative care have made surgery feasible for all except diffuse intrinsic tumors [1]….
Radiotherapy in Medulloblastoma
Fig. 19.1 Prone (a) and supine (b) positioning for craniospinal irradiation with personalized thermoplastic mask and vacuum bag immobilizer 19.2.5 Target Volumes, Organs at Risk, and Techniques The following organs…
Chordomas and Their Management
Fig. 47.1 CT scan of a clival chordoma (a) Axial slice showing a hypodense mass of the posterior aspect of the clivus (dotted line) contacting the brainstem (arrows) (b) Axial…
