The Prosencephalies

1. Development and Aetiology.- Development.- Aetiology.- 2. Morphology.- Classification Systems.- Structural Organization of Holospheric Brains. Coauthor: A. Brun.- Associated Malformations.- The Pseudo-Callosum.- Gross Morphology of Typical Specimens.- 3. Neuroradiology.- General Notes and Conventional Radiology.- Pneumoencephalography.- Positional Anomalies of Primitive Holospheres.- Angiography.- Case Reports.- 4. Review and a New Classification System.- Critical Review and Comments on the Current Classification System.- A New Classification System.- 5. Differential Diagnosis.- Partial and Complete Callosal Defects with Interhemispheric.- Defects of the Septum Pellucidum.- Hydranencephaly.- References.