Of the 1,209 cases of brain tumor, on file in our clinic, both verified and unverified, 30 have been classified as pseudotumors or arachnitis. In 8 of these the data are insufficient or the patient cannot be traced, and therefore of this number I have reviewed the records of only 22 cases; all but 4 were first observed before 1929, so that at least two years have elapsed, a period which has been proposed as a criterion by which to exclude tumors proper. Of these 22 cases, 11 presented posterior fossa symptoms and 11 pretentorial symptoms. Of the pretentorial group, 4 suggested a pituitary lesion and 1 a suprasellar lesion. In the 22 cases we have information of 1 patient covering a period of twenty-five years, 1 nineteen years, 2 thirteen years, 1 twelve years, 1 eight years, 3 six years and the remainder four years or less. Of the
FRAZIER CH. CEREBRAL PSEUDOTUMORS. Arch NeurPsych. 1930;24(6):1117–1132. doi:10.1001/archneurpsyc.1930.02220180012002
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