The Veins of the Posterior Fossa

A. Introduction.- B. Historical Background.- C. Practical Methodology.- 1. The Basal Veins and Their Tributaries.- 2. The Superior and Inferior Vermian Veins.- 3. The Precentral Vein.- 4. The Peduncular and Pontine Veins.- 5. The Superior Petrosal Veins and Their Tributaries.- D. Normal Findings.- I. The Venous Sinuses.- II. The Emissary Veins.- III. The Great Vein of Galen and Its Tributaries.- IV. The Petrosal Veins.- V. The Superficial Veins of the Pons.- VI. The Lateral Mesencephalic Veins.- VII. The Cerebellar Hemispheric Veins.- VIII. The Veins of the Medulla Oblongata and of the Fourth Ventricle.- IX. The Vein of the Lateral Recess of the Fourth Ventricle.- X. The Lateral Medullopontine Vein.- XI. The Inferior Vermian Vein.- XII. The Vein of the Tentorial Margin.- XIII. Venous Drainage of the Craniocervical Junction.- XIV. Venous Landmarks as Observed in Normal Vertebral Angiography.- Figures 1 to 81.- E. Pathologic Findings.- I. Pathology of the Venous Sinuses.- II. Venous Signs of Hydrocephalus in Children.- III. Intracranial Hypertension and Herniations.- IV. Tumors of the Fourth Ventricle.- V. Tumors of the Brain Stem.- VI. Tumors of the Mesencephalon and the Thalamus.- VII. Tumors of the Cerebellar Hemispheres.- VIII. Tumors of the Cerebellopontine Angle.- IX. Hemangioblastomas and Vascular Malformations.- X. Congenital Malformations.- Figures 82 to 171.