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Table 2 Frequency of the basic types of aberrant obturator vessels

From: Aberrant obturator vessels in minimally invasive pelvic lymph node dissection

  N % of the cases with aberrant obturator vessel (n = 58) % of all cases (n = 133)
Arterial type 1 1.72 0.07
OA arises from EIA 0
OA arises from IEA 1 1.72 0.07
Venous type 50 86.20 37.50
OV drains in EIV 31 53.44 23.30
OV drains in IEV 11 18.96 8.27
Venous anastomosis between OV and EIV 2 3.44 1.50
Venous anastomosis between OV and IEV 0
OV drains in EIV + OV drains in IEV 1 1.72 0.07
OV drains in EIV + venous anastomosis between OV and EIV 3 5.17 2.25
OV drains in EIV + venous anastomosis between OV and EIV 1 1.72 0.07
OV drains in IEV + venous anastomosis between OV and IEV 1 1.72 0.07
Arterial and venous variation 7 12.06 5.26
OА arises from EIА + OV drains in EIV 3 5.17 2.25
OА arises from EIА + OV drains in IEV 0
OА arises from IEА + OV drains in EIV 2 3.44 1.50
OA arises from IEА + OV drains in EIV 2 3.44 1.50
Total 58 100 43.60
  1. OA obturator artery, OV obturator vein; EIA external iliac artery, EIV external iliac vein, IEA inferior epigastric artery, IEV inferior epigastric vein