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The imaging diagnosis of congenital aberrant left pulmonary artery
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- Author:
- No author available
- Journal Title:
- CHINESE JOURNAL OF RADIOLOGY
- Issue:
- 2
- DOI:
- 10.3760/j.issn:1005-1201.2005.02.023
- Key Word:
- 心脏缺损,先天性;肺动脉;诊断显像
Abstract： 目的分析先天性迷走左肺动脉的影像学特点,以便加深对该病的认识.方法 4例病例均做了X线检查、多普勒超声心动图,3例做了螺旋CT增强扫描检查,1例做了MRI检查,1例做了心血管造影检查.其中3例经手术证实或病理解剖证实.结果 (1)胸片表现为心影增大,肺血增多,左侧肺门位置比右侧略低,可见肺气肿、肺不张、肺炎;(2)支气管造影可见气管和(或)支气管狭窄;(3)食管造影可见食管向右、向后移压;(4)螺旋CT增强扫描及MRI检查:显示主肺动脉明显扩张,主肺动脉根部向右后延伸为右肺动脉,而左肺动脉起源于右肺动脉,紧贴左主支气管后壁向外延伸;(5)多普勒超声心动图:可见左肺动脉自右肺动脉发出;(6)心导管检查:显示主肺动脉明显扩张,左肺动脉起源于右肺动脉;(7)3例合并动脉导管未闭,2例合并永存左上腔静脉,1例合并房间隔缺损.结论 CT和MRI是诊断该病的最佳检查方法之一.
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