Titlebook: Brain Tumors; Their Biology and Pa Klaus J. Zülch Book 1986Latest edition Springer-Verlag Berlin Heidelberg 1986 Geschwulst.Grading.Hirnges

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Regressive Processes,necessary and helpful in evaluating biopsies from altered tissues. Regressive changes, such as calcification, necrosis, and cyst formation, may permit localization of a tumor by x-ray or CT. They can also be used in differential diagnosis, since as stated above, the degenerative processes are to a certain extent type specific.

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Biological Behavior and Grading (Prognosis),sponding biological behavior of the particular tumor. The classification of tumors has already been discussed, and it is clear that their biological behavior has to be defined by morphological characteristics of the tumor tissue and its clinical consequences. This kind of discussion started in gener

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The Origin of Brain Tumors,peat here only the key features of what knowledge of brain tumors can contribute to general oncology. Cohnheim’s theory regarding the origin of tumors is still applied to some subgroups of tumors, in particular the . tumors. Cohnheim stated “that the real cause of the subsequent development of tumor

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