INTRODUCTION 7
Symptoms 9
Edema of the Brain 9
Special Stains 11
Malignancy of Central Nervous System Tumors 11
Metastatic Brain Tumors 12
Spinal Cord Tumors 13
TUMORS OF NERVOUS TISSUE 17
Gliomas 17
Introduction 17
Gliomas of the Aqueduct of Sylvius 18
Meningeal Gliomatosis 20
Heterotopias and Extramedullary Gliomas 21
Astrocytomas 22
Astrocytoma,Grade 1 (fibrillary and protoplasmic astrocytomas) 26
Astrocytoma,Grade 2 (astroblastoma) 32
Astrocytoma,Grades 3 and 4 (glioblastoma multiforme) 33
Ependymomas 43
Histologic Types of Ependymomas 46
Ependymoma,Grade 1 58
Ependymoma,Grade 2 59
Ependymoma,Grade 3 59
Ependymoma,Grade 4 59
Oligodendrogliomas 59
Oligodendroglioma 60
Oligodendroglioblastoma 66
Medulloblastoma 66
Neuroastrocytoma 73
Subependymal Glioma 76
Neurilemoma 76
Von Recklinghausen＇s Disease 84
TUMORS OF MESENCHYMAL TISSUE 85
Blood Vessel Tumors 85
Angiomatous Malformations 85
Angioblastomas 92
Sarcomas 93
Lipomas 96
MENINGIOMAS 97
TUMORS OF DEVELOPMENTAL DEFECTS 118
Paraphyseal Cyst 118
Chordoma 118
Dermoid and Epidermoid Tumors 122
TUMORS OF THE PINEAL BODY (Originally planned as Fascicle 37) 125
Pinealomas 125
Teratoma 128