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The enlargement of hematoma was defined radiographically as the increase of its volume by>/=12.5 cm or by>/=1.4 times.,Although expansion of intracerebral hemorrhage on CT scan was common in the hyperacute stage,17% of hematoma expansion occurred even after 6 hours of onset.Enlargement after 24 hours of onset seems extremely rare.Early CT scanning appears to increase the rate of detection of enlarging hematomas. |
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