Encephalographic findings in cases of unilateral subdural hematoma have been reported by several authors.1 Abbott2 and Naffziger and Brown3 have independently mentioned the use of encephalography in a case of bilateral hematoma. We encountered three cases of this condition in as many months and could find no report of a series of cases of bilateral subdural hematoma in which there were encephalographic findings. That the patients in our series came to a hospital for psychopathic patients though excellent neurosurgical clinics were easily available is not surprising when one recalls that Virchow's original description of the pathologic structure in this condition was based on autopsy material obtained from patients with alcoholism and mental diseases. The considerable incidence of unsuspected subdural hematoma among patients with mental disease in the Massachusetts state hospitals has recently been described by Allen, Daly and Moore.4 We here present reports of the three
Holt WL, Pearson GB. CHRONIC BILATERAL SUBDURAL HEMATOMA: Encephalographic Diagnosis, with Report of Three Cases. Arch NeurPsych. 1937;37(5):1161–1167. doi:10.1001/archneurpsyc.1937.02260170189008
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