请求高手帮忙，急！！！帮忙翻译一下论文摘要。

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　　Improve on the dense side of the middle cerebral artery sign (HMCAS) awareness, to explore its in the early diagnosis of cerebral CT imaging study value. Early cerebral infarction to reduce misdiagnosis and missed diagnosis.

　　Methods: Retrospective analysis of our access to films from September 2004 to April 2007 50 cases of suspected cases of early cerebral CT performance in all cases a combination of clinical diagnosis can be confirmed.

　　Results: The cases collected 16 cases of positive cases in the incidence of early (1-7h) CT scan can be seen in both the dense artery sign, 24h after the onset review, see the side of the middle cerebral artery showed a large area of low density was changed, with the normal brain parenchyma boundaries owed clearance.

　　Conclusion: The side of the middle cerebral artery dense artery sign, combined with typical clinical manifestations, in the early diagnosis of cerebral infarction has very important significance.