Meningioma
Fig. 55.1 (a) Isointense appearance of a posterior fossa meningioma in a 9-year-old girl. Despite the big size of the lesion, there is no obstruction of the four ventricle. (b)…
Ependymoma
Fig. 23.1 Perivascular pseudorosettes Fig. 23.2 Ependymal rosettes 23.2 WHO Subtypes and Grading According to WHO 2007 classification, main histological variants include classic, cellular, clear cell, papillary, tanycytic, and myxopapillary…
Hydrocephalus in Pediatric Patients with Posterior Fossa Tumors
Predictor Score Age <2 years 3 Presence of papilledema (later replaced with transependymal edema) 1 Moderate/severe hydrocephalus 2 Cerebral metastases 3 Preop estimated tumor diagnosis Medulloblastoma 1 Ependymoma 1 Dorsally…
Median Suboccipital Approach
Fig. 8.1 Suboccipital surface of the cerebellum The fourth ventricle, tentlike in appearance, is located between the cerebellum and brain stem. Dorsally, the roof is divided into superior and inferior…
Radiotherapy for Cerebellar Astrocytomas
Timing of radiotherapy Low-grade gliomas High-grade gliomas At progression, usually after chemotherapy Postoperatively Dose 54 Gy in 1.8 Gy fractions 59.4 Gy in 1.8 Gy fractions GTV Tumor bed +…
Psychosocial Coping with Neurosurgery: Children and Their Families
© Springer International Publishing Switzerland 2015M. Memet Özek, Giuseppe Cinalli, Wirginia Maixner and Christian Sainte-Rose (eds.)Posterior Fossa Tumors in Children10.1007/978-3-319-11274-9_66 66. Psychosocial Coping with Neurosurgery: Children and Their Families Banu Çankaya1 and M. Kemal Kuşcu2 (1) Department of Psychology, Koç…
Endocrinologic Complications and Late Sequela of Childhood Posterior Fossa Tumors
© Springer International Publishing Switzerland 2015M. Memet Özek, Giuseppe Cinalli, Wirginia Maixner and Christian Sainte-Rose (eds.)Posterior Fossa Tumors in Children10.1007/978-3-319-11274-9_64 64. Endocrinologic Complications and Late Sequela of Childhood Posterior Fossa Tumors Abdullah Bereket1 (1) Division of Pediatric Endocrinology,…
Immediate Postoperative Care
© Springer International Publishing Switzerland 2015M. Memet Özek, Giuseppe Cinalli, Wirginia Maixner and Christian Sainte-Rose (eds.)Posterior Fossa Tumors in Children10.1007/978-3-319-11274-9_61 61. Immediate Postoperative Care Pietro Spennato1 , Anna Dolcini2, Alessandra Alifuoco2 and Giuseppe Cinalli1, 3 (1) Division of Pediatric Neurosurgery, Department of…
Ependymomas: Genetics
Array CGH Children Adults <4 years >4 years Balanced profile Few imbalances Few imbalances Extensive imbalances Gains 1q, 7, 9q 7, 9, 12, 5, 18, X, 2 Losses 22, 3,…
Principles of Molecular Biology in Posterior Fossa Tumors
Fig. 6.1 A simplified scheme of the Sonic Hedgehog signaling pathway. PTCH patched, SHH Sonic Hedgehog protein, SMO smoothened, SUFU suppressor of fused Aberrant activity of the Shh signaling pathway…
