PICAS was extremely difficult in coronary complex disease, sever or closed lesions and longer lesion but success rate was high when technical operation was very skilled.

冠脉复杂病变，重度或闭塞病变，以及长段病变的PICAS的难度大，但技术操作熟练，成功率也高。

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Another lesion for vasculitis, which vasculitis often due to cold hypergammaglobulinemia, high hypergammaglobulinemia, or immune complex deposition caused.

另一种病变为血管炎，这种血管炎往往因冷球蛋白血症、高球蛋白血症、或免疫复合物沉积而引起。

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The authors present a case of patient with a complex metameric vascular lesion of the thoracic spine and describe a management strategy for this entity.

作者报告一例复杂节段性胸椎血管损害病例并描述对其处理策略。

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