This 13th volume of Advances in Neurosurgery presents thos.e papers held at the 35th Annual Meeting of the German Society of Neurosurgery in Hannover, June 13-16, 1984. Of 150 papers submitted, the program com mittee of the Society chose 69 for presentation. I would like to thank Professors Bock, Brock, Jensen, Wenker, and Wlillenweber for their as sistance in the selection. It was the intention of the President of the Congress at this meeting to lay special scientific emphasis on discussion. For this reason the number of papers had to be limited even more than usual in order to give all...

This volume contains the papers presented at the First International .ijm posium on Intracranial Pressure, held at the Neurosurgical Clinic of the Medizi nische Hochschule Hannover (Hannover Medical School), July 27 to 29, 1972. The texts submitted have been included in their original form whenever possible. The editors have made only minor corrections and rearrangements, since rapid publication was considered to be more important than homoge neity in style. The sessions of this book correspond to the sessions of the sym posium. At the end of each session the reader will find a summary of the...