The "Advances" section presents fields of neurosurgery and related areas in which important recent progress has been made. The "Technical standards" section features detailed descriptions of standard procedures to assist young neurosurgeons in their postgraduate training.

This series, sponsored by the European Association of Neurosurgical Societies, has already become a classic. In general, one volume is published per year. The Advances section presents fields of neurosurgery and related areas in which important recent progress has been made. The Technical Standards section features detailed descript of standard procedures to assist young neurosurgeons in their post-graduate training. The contributions are written by experienced clinicians and are reviewed by all members of the Editorial Board.

Advances: ? Biological Markers for Tumours of the Brain (G. J. Pilkington, P. L. Lantos) ? Histoprognosis of Gliomas (C. Daumas-Duport) ? Brain Protection (F. Cohadon) Technical Standards: ? AIDS and the Neurosurgeon ? an Update (S. F. Ciricillo, M. L. Rosenblum) ? The Surgery of Occult Spinal Dysraphism (M. Choux, G. Lena, L. Genitori, M. Foroutan) ? Functional Stereotactic Neurosurgery for Psychiatric Disorders: an Experience in Belgium and The Netherlands (P. Cosyns, J. Caemaert, W. Haaijman, C. van Veelen, J. Gybels, J. van Manen, J. Ceha)