This series, sponsored by the European Association of Neurosurgical Societies, presents papers covering the fields of neurosurgery and related areas in which important recent progress has been made.

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 descriptions of standard procedures to assist young neurosurgeons in their postgraduate training. The contributions are written by experienced clinicians and are reviewed by all members of the Editorial Board.

Advances: ? Immunobiology of Brain Tumours (Y. Sawamura, N. de Tribolet)? Adrenal Medullary Transplants as a Treatment for Advanced Parkinson?s Disease (A. Lieberman, P. R. Cooper, J. Ransohoff) ? Stereotactic Imaging, Surgical Planning and Computer-Assisted Resection of Intracranial Lesions: Methods and Results (P. J. Kelly)Technical Standards: ? Surgical Techniques in the Management of Colloid Cysts of the Third Ventricle ? Stabilization of the Spine (H. A. Crockard, A. O. Ransford) ? Indications for Surgery in the Management of Gliomas (F. Cohadon)