[ ڵ] ſ Ʋ ¼. 6 1 51 6.5% 1150 ŷǰ ִ.
ä߽ɾ äڷκ ŷ ̼ä, λä ӹ ȸ Ѵ. ߽ɿ 20%~30% ܴ. ä߽ɾ ȯ⸦ غϴ , Ϲݱü νäǿ ȸ Դ.
ä߽ɾ ̱, Ϻ ʿ äǿ ΰ Ź ȴٸ ܰ ȴ.
MRI м , 1%
ڰ ֽMRI м ſ ŷµ 25 22 ü 10( 1%) ߴ.
ֿ ϸ 繫 ̴. Һ ȭǸ ͼ ϶ ɼ ִ.
ֽ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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