AFTER the original histologic description of oligodendroglioma by Bailey and Cushing1 in 1926, and later by Bailey and Bucy,2 in 1929, it was generally believed that this tumor was a solitary benign lesion limited to one hemisphere. Dickson's report3 of an oligodendroglioma of the third ventricle and the ventricular tumor reported by Thomas and Jumentié4 aroused little suspicion of the varied nature of this tumor until the report by Martin5 in 1931. This author divided oligodendrogliomas into two types: the midline type, which appears before the age of 25, produces signs of increased intracranial pressure early and hence has insufficient time to calcify; and the lateral, or hemispheric, type, which occurs at a later age, is slow growing and is usually calcified.
Löwenberg and Waggoner6 found Martin's classification too limited and inadequate. In a study of 21 cases, they were able to divide the
WYCIS HT. OLIGODENDROGLIOMA OF THE CEREBELLUM. Arch NeurPsych. 1948;59(3):404–407. doi:10.1001/archneurpsyc.1948.02300380133012
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