Results Separation of intimae was the most reliable criteria for diagnosis.The phenomenon of blood flow separation,artery dilation,intra-luminal thrombosis and so on were able to assist its diagnosis.

• 结果内膜分离是本病最可靠的诊断依据,血流分隔现象、动脉扩张和管腔内血栓等具有重要的辅助诊断价值。