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1·Methods: 13 patients with lower extremity venous disease were accepted for antegrade of venography, the venogram were evaluated.

方法：13例采用下肢静脉顺行造影，并进行临床影像分析。

2·Purpose: To investigate the formative mechanism and diagnostic value of X ray venogram for pelvic vein congestion syndrome after tubal ligation.

前言： 目的：探讨对输卵管结扎术后盆腔静脉瘀血综合征形成机理及X线造影诊断价值。