ISSN:
0942-0940
Keywords:
Supratentorial oligodendrogliomas
;
Recurrences of oligodendrogliomas
;
Classification of gliomas
;
Recurrence intervals
;
Radiotherapy
Source:
Springer Online Journal Archives 1860-2000
Topics:
Medicine
Notes:
Summary On the basis of a three stage grading system we report 23 stage one recurrent oligodendrogliomas (O 1), and 29 stage two recurrent oligodendrogliomas (O 2). In the O 1 group after the first interval 15 became O 2 and 2 became glioblastomas. Twenty tumours of the O 2 group after the first interval were not changed, three became oligodendroglioma-astrocytomas stage 2, and six became glioblastomas. The time relation for the recurrent phase in the primary O 1 group is calculated as 42 months, and in the primary O 2 group as 22 months, but this is without significance. For the development of malignancy, especially for the change to glioblastoma, a prominent participation by transformed local astrocytes seems to be essential. Postoperative irradiation most probably does not favour malignant change. A prolongation of the expectation of life by radiotherapy is not noticed.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF01405237
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