Anatomical Dissections for Use in Neurosurgery Vol. 1
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Anatomical Dissections for Use in Neurosurgery Vol. 1 In Collaboration with H. R. Eggert
Springer-Verlag Wien NewYork
Prof. Dr. med.
WOLFGANG SEEGER
Medical Director of the Department of General Neurosurgery and Chairman of Neurosurgery of the Neurosurgical Clinic PD Dr. HANS-RuDOLF EGGERT Department of General Neurosurgery, Neurosurgical Clinic
University of Freiburg i. Br., Federal Republic of Germany
With 150 Figures
This work is subject to copyright All rights are reserved, whether the whole or part of the material is concerned, specifically those of translation, reprinting, re-use of illustrations, broadcasting, reproduction by photocopying machine or similar means, and storage in data banks © 1987 by Springer-VerlaglWien Printed in Austria
Library of Congress Cataloging-in-Publication Data Seeger, Wolfgang, 1929. Anatomical dissections for use in neurosurgery. Includes bibliographies and index. 1. Brain-Surgery. 2. Brain-Dissection. I. Eggert, H. R. (Hans-Rudolf) II. Title. [DNLM: 1. Brain-anatomy & histology. 2. Dissection. 3. Neurosurgerymethods. WL 368 S451a] RD594.S423 1987. 617'.48 . 87-16692.
ISBN 3-211-81998-3 Springer-Verlag Wien-New York ISBN 0-387-81998-3 Springer-Verlag New York-Wien
Dr. Karl Vossschuite Professor emeritus of Surgery, Justus-Liebig-Universitiit Giessen to his 8()h anniversary
PREFACE '--
1 VII
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Preface This book is published in two volumes. In this first volume, an attempt is made to give young neurosurgeons methodical instruction in the dissection of formaldehyde-preserved brains. This book, however, is not intended to be taken as a textbook on anatomy. Conventional presentations of the anatomy of the brain must present, step by step, the individual systems of the organ according to its developmental and functional aspects, e. g. cortex, limbic system, basal ganglia, brainstem, and cerebellum. Because during a single operation the neurosurgeon is sometimes confronted with all the various systems, it is necessary to perform brain dissections from the viewpoint of operative approaches. Therefore, in this work the attempt is made to keep certain individual surface structures, e. g. the Gyrus praecentralis intact until the end of the dissection so that the relative topographical positions of surface and deep structures can be made discernable. For these reasons, it is advisable to view the surface structures of the brain in relationship to the skull, but then to start with removing the blood vessels and leptomeninges so that in this way the skeletonized organ is dissected step by step, because in the preserved vascular system, the structures are only partially recognizable and thus confusing. For this dissection two organs are needed. In the first dissection, the cerebrum and cerebellum are studied. These the young neurosurgeon should have become familiar during his initial training in the surgery of surface structures. In the second dissection, the relationship between deep-seated parts, the ventricular system and surface structures are of major importance. Exper
