Development of the Posterior Fossa Structures
Fig. 2.1 Dorsal view of a chick embryo (8 somite stage) showing the neural tube (NT) that occupies the medial region and the paraxial mesoderm with the cephalic mesoderm (CM)…
Lhermitte–Duclos (Section Rare Tumors)
Fig. 54.1 Cutaneous lesions of Cowden syndrome Nowadays, there is tendency to include LDD and Cowden syndrome in PTEN hamartomatous tumor syndromes (PHTS): a collection of syndromes characterized by germline…
Posterior Fossa Gangliogliomas
Fig. 51.1 Axial and sagittal post-gadolinium T1-weighted images show a typical aspect of ganglioglioma in the left cerebellar hemisphere with a mass effect. The enhanced-T1 image demonstrates patchy enhancement Fig….
Skull Base Approaches in Children
Fig. 10.1 Schematic presentation of (right) the extradural (ED) subtemporal and retrosigmoid approaches with the internal carotid artery (star) and internal auditory canal and cochlea (circle) and of (left) the…
Surgery of the Pons
Fig. 33.1 Illustration representing the different types of pontine tumors. Diffuse pontine gliomas (A) are invasive tumors that involve the pontine parenchyma and are the most common type. Focal intrinsic…
Atypical Teratoid/Rhabdoid Tumor: Surgery
Fig. 40.1 Intraoperative view (prone position) of an AT/RT of the left cerebellar hemisphere. The huge tumor inflates the left cerebellar hemisphere (the normal architecture of its folia disappeared) and…
Surgical Complications
Neurological syndromes Prolonged coma Posterior fossa syndrome/cerebellar mutism Dysphagia including lower cranial nerve palsy Dysarthria Apnea and other neuro-respiratory disturbances Vomiting Ataxia Limb weakness Diplopia and other visual disturbances Hearing…
Vestibular Schwannoma
Fig. 50.1 MRI surveillance scans of a boy with Wishart type of NF2. After hearing-preserving partial resection of the VS on the left side at age 13, the tumor on…
Immediate Postoperative Care
Fig. 56.1 Extensive acoustic schwannoma in a 14-year old girl with dysostosis cleidocranialis and complete leftsided hearing loss (a). Early postoperative CAT scan after removal in sitting position. Extensive air…
Epidermoid Tumors
Tumor location and extension No. of cases (40) CPA alone 15 CPA with transtentorial extension 3 CPA with middle fossa extension 5 CPA with foramen magnum extension 9 CPA with…
