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第41卷第3期 马韩弘峰,杨晓俊,张 彬,等. CT血管成像确诊肝动脉变异对胰十二指肠及全胰切除术的预警作用[J].
                  2021年3月                     南京医科大学学报(自然科学版),2021,41(03):406-409                       ·409 ·



                                  LGA
                             LHA                         LHA
                                                                                         LGA
                             RHA           SA                       LGA           LHA
                             GDA           SMA       RHA
                                                                                RHA       SA
                                                             CHA
                                                                      SA                  SMA
                                                  A                       B                       C
                                   LHA LGA                 LHA
                                                                  SA
                                                                                         SA
                                                                                     CHA
                                                     RHA                        LHA
                                     CHA                                                  SMA、CA
                                RHA                          CHA  SMA
                                            SMA                                RHA        共干
                                                  D                       E                       F
                   A:肝动脉走行正常CTA图像;B:MichelsⅡ型;C:MichelsⅢ型;D:MichelsⅨ型;E、F:为特殊类型(E:CHA起自腹主动脉;F:CHA起自SMA、
                CA共干)。
                                                 图2 正常及AHA患者典型CTA图像

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