The tumors of the brain similar to other pathological changes of that particular organ claim for a separate position in scientific medicine regarding biology, morphology, features of clinical manifestation, diagstics and therapy. During the past years due to rapid progress in basic neurosciences and medical biotechnics the situation of the neuroclinician in front of brain tumors has been dramatically changed. The prerequisites for early and accurate diagsis as well as for successful treatment also of malignant neoplasms have increased and remarkably improved. At the same time the information necessary for an appropriate pragmatic use of the available cognitive methods and therapeutic means increased along the same scale and is permanently being critically modified or changed due to fundamental new insights which come up in always shorter intervals. These facts necessitate the preparation of publications in which the state of the art is presented in possible completeness, systematic order and proper disposability for rational management and therapeutic strategies.