Morphological evaluation of brain oligodendroastrocytomas sensitivity to antiblastic radiation therapy and chemotherapy
Keywords:oligoastrocytoma, histological features, antiblastic therapy
Introduction. The results of oligoastrocytomas (OA) comparative morphological analysis before and after antiblastic therapy are given. Histological changes of OA were identified at extended growth after treatment.
Materials and methods. Morphological features of 34 brain OA, removed during first and repeated operation, after different types of antiblastic therapy, were studied.
Results. It was found out that according to treatment pathomorphosis features most (76.5%) OA were sensitive to adjuvant therapy that manifested in the form of cytodestructive or cytotoxic reaction.
Conclusions. Histological heterogeneity of OA, different relationships of their components and different degrees of anaplasia cause different responses of these tumors to postoperative radiotherapy, chemotherapy or chemoradiotherapy.
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