Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
Volume 46 , Issue 16
Showing 1-13 articles out of 13 articles from the selected issue
SYMPOSIUM I
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CASE REPORT
  • Takashi Hasumi, Takeshi Fukushima, Toshihiko Haisa, Tsutomu Yonemitsu, ...
    2007 Volume 46 Issue 16 Pages 1317-1320
    Published: 2007
    Released: August 15, 2007
    JOURNALS OPEN ACCESS
    A 75-year-old woman with a dural arteriovenous fistula (DAVF) presented with progressive cognitive impairment including amnesia and alexia. Neuroradiological studies showed a relatively confined DAVF lesion in the left temporal lobe. The patient did not have a history of trauma and did not complain of headache or tinnitus. Amnesia and alexia dramatically improved upon treatment of the DAVF, and this was associated with attenuation of an abnormal MRI signal in the left temporal lobe. The results suggest that gradually impaired cerebral circulation due to focal venous hypertensive encephalopathy localized to the left temporal lobe and resulting from a DAVF could be involved in slowly progressive amnesia and alexia. The case also shows that an intracranial DAVF may present as a variety of neurological symptoms, depending on its localization, size and clinical stage.
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