MPR可较好显示附壁血栓，真假腔和内膜片。

MPR could display mural thrombus, flap, true and false lumen.

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CTVE可清晰显示内膜片、真假腔及血管的狭窄。

CTVE could reveal the true and false lumen, flap and stenosis of arterial branches.

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结果 ：30例夹层的起始部位、病变范围、真假腔血流情况、内膜片均显示清晰。

Results:MRI clearly showed an intimal flap, a double lumen, site and range in all 30 patients.

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