Tumors of the filum terminale have been observed so rarely that we have been prompted to report two cases that were studied and in which operation was performed in the last four years.1 These cases have been of particular interest because of their rarity and because of their symptomatology. While we do not claim that the symptoms of such a lesion are so characteristic as to constitute a separate clinical entity, it nevertheless is noteworthy that the onset of the illness in the two cases was identical. These two cases, furthermore, emphasize the great value of cystometric studies of the bladder in tumors of the spinal cord. These tumors help to throw light on the mechanism of the function of the bladder and also on the sexual center of the conus.
An extensive search of the literature has brought to light only three cases, one by Lachman2
SACHS E, ROSE DK, KAPLAN A. TUMOR OF THE FILUM TERMINALE, WITH CYSTOMETRIC STUDIES: REPORT OF TWO CASES. Arch NeurPsych. 1930;24(6):1133–1153. doi:10.1001/archneurpsyc.1930.02220180028003
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