From: Variations in right colic vascular anatomy observed during laparoscopic right colectomy
Anatomic feature | n(%) |
---|---|
Relative spatial relationship of ICA with SMV | |
 ICA passing SMV anteriorly | 29(50.0%) |
 ICA passing SMV posteriorly | 29(50.0%) |
RCV drainage into superior veins | |
 Single or double RCV draining into GTH (one patient had double RCV draining into GTH) | 37(66.1%) |
 Single RCV draining into SMV | 13(23.2%) |
 One RCV draining into GTH and the other RCV draining into SMV | 6(10.7%) |
Constituent tributaries of GTH | |
 GCT | |
  RGeV, RCV | 13(24.5%) |
  RGeV, MCV | 1(1.9%) |
  RGeV, RCV, MCV | 5(9.4%) |
 GPT | |
  RGeV, PDV | 5(9.4%) |
 GPCT | |
  RGeV, PDV, RCV | 14(26.4%) |
  RGeV, PDV, MCV | 4(7.5%) |
  RGeV, PDV, double RCV | 1(1.9%) |
  RGeV, PDV, RCV, MCV | 10(18.9%) |
The distance between MCA bifurcation and the starting point | |
 ≤ 1 cm | 8(15.7%) |
 1–2 cm | 34(66.7%) |
 > 2 cm | 9(17.6%) |
MCV drainage into superior vein | |
 MCV draining into GTH | 20(35.7%) |
MCV draining into SMV | |
 Double RCV draining into SMV in one patient | 27(48.2%) |
 One MCV draining into GTH and the other into SMV | 7(12.5%) |
 One MCV draining into GTH and the other two into SMV | 2(3.6%) |