Ϲ̿ 1977 Ǿǰ ȸ. ʱ ߰ ǰ ÷. 1999 ŰƮ ϱ 2000 㰡 , 2002 ŰƮ Ȯϸ 꿡 . ɼ ÷, ġ, ȿǰ, ŰƮ پ ǰ ̴. 2002 ̷.
ū ǰ īİ ݱ 4.8% Ұ پ ǰ ִ. īĴ ȸ簡 ʱ ϰ ִ ǰ õȿ ɼ ÷. ü Ҽ ִ. ݱ ɼ ÷ 67%, ȿǰ 17%, ġ Ÿ 12%, ŰƮ 2%.
ݱ⺸ Ǿǰ 6000 Ը̸ 100 ü ϰ ִ. κ ü ؿ ǰ Ǹϰ ִ ü 100 Ѵ ü 12 Ұϴ. Ϲ̿ Ȯϱ ȿǰ, ŰƮ ǰ ȭ ߴ.
ȸ ǰ ַ ǰ ÷ ǰ , ϰ ִ. Ǹϴ° ͼ 鿡 . ȸ 湮 ǰȫ ϴ Ǹ Ȱȭ ϰ ִ. ݱ 74% ǰ ÷Ȱ ǸŴ 18% ̴. Ϻ ϰ ִµ 7%.
2б þ þ ͼ ȭƴ. 92 30% þ. 1 74% پ ͵ 1 , 74% ߴ.
ֽMRI м , 8%
ڰ ֽMRI м Ϲ̿ ŷµ 25 18 ü 147( 8%) ߴ.
ֿ ϸ 繫 ̴. Һ ȭǸ ͼ ϶ ɼ ִ.
â 1 . Ȱ 帧 (-), Ȱ 帧 (+), 繫Ȱ 帧 (+) ݿƴ. ȣ Ȱ â ʰ ϰų ä ϴ 繫Ȱ ڻ Ű Ȱ âǰ ִ .
ֽMRI ڿ ü ǽð м . MRI ͼ强 繫 Ӹ ƴ϶ Ӽ ִ ° ְ ر Բ ǴѴ. ֽMRI 25 ְ ̸ 췮 ̴. 5 ΰ · Ÿ.
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