Cerebral venous angioma Clinical reports on two cases
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Cerbral venous angioma is said to be one of the most common anomalies of intracranial blood vessels found at autopsy. However, reports of cases with symptoms and clinical verification of angioma are rather scanty.<BR>The present paper contained two cases of cerebral venous angioma diagnosed on the basis of characteristic findings of their cerebral angiograms.<BR>Case 1 : A 45 year-old female was admitted because of gait-and left upper limb ataxia. In 1955, she was excised a subcutaneous angioma like tumor on the left side of the forehead. On August 22, 1982, she noticed unsteady gait and clumsiness of the upper limb on volitional movements. During preceding three weeks, she had three episodes of dull headache with slight fever, both of which had subcided within a day. Neurological examinations on admission revealed no abnormalities except for cerebellar signs.<BR>Computerized tomograms of the brain (CTs) showed a low density area (LDA) in the cerebellar vermis, in which a curvi-linear high density area (HDA) was visualized by contrast enhancement. The left vertebral angiograms were normal in the arterial and capillary phases, but in the venous phase, they showed numerous fine medullary veins which flew into an enlarged draining vein; possibly left hemispheric or inferior vermian vein.<BR>Her symptoms rapidly disappeared after parenteral administration of mannitol. The LDA gradually diminished, but there were no changes in the contrast enhanced HDA.<BR>Case 2 : A 39 year-old male visited our hospital on November 4, 1981, because of headache which suddenly appeared two days before. Neurological examinations revealed no abnormalities.<BR>Brain CTs showed a small round HDA in the right frontal subcortical region. After the contrast enhancement, a linear HDA was demonstrated in the same region. Right carotid angiograms demonstrated no abnormalities in the arterial and capillary phases. The venous phase showed many medullary veins in the right frontal lobe. They were drained into an enlarged frontal ascending vein.<BR>His headache subcided soon after the conservative therapy. The HDA in plain CTs disappeared after about 10 months, while the use of contrast media still visualized the linear HDA.<BR>Based on these two patients and 46 cases in the literature, clinical manifestations in cerebral venous angioma and its angiographic characteristics were discussed.
- 一般社団法人 日本脳卒中学会の論文
一般社団法人 日本脳卒中学会 | 論文
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