Table 1 Anatomy of perigastric vessels in 127 patients who underwent MDCT followed by gastrectomy
| Â | Visualized vessels | Classifiable vessels | Reference anatomy | No. of classification categories | Classifications |
|---|---|---|---|---|---|
Left gastric vein (LGV) | 127 (100%) | 122 (96.1%) | CHA, SA | 4 | Dorsal of CHA, 59 (46.5%); dorsal of SA, 8 (6.3%); ventral of CHA, 27 (21.3%); ventral of SA, 28 (22.0%) |
LGA with replaced LHA | 18 (14.2%) | 18 (14.2%) | LGA branch | 3 | One LGA branch, 7 (38.9%); two LGA branches, 9 (50.0%); three LGA branches, 2 (11.1%) |
Left inferior phrenic artery (LIPA) | 127 (100%) | 124 (97.6%) | Ao, CA, LGA | 6 | Ao-I, 40 (31.5%); CA-I, 52 (40.9%); LGA-I, 6 (4.7%); Ao-C, 10 (7.9%); CA-C, 15 (11.8%); LGA-C, 1 (0.8%) |
Right gastric artery (RGA) | 127 (100%) | 127 (100%) | PHA, GDA, CHA | 3 | Distal type, 93 (73.2%); caudal type, 23 (18.1%); proximal type, 11 (8.7%) |
Infra-pyloric artery (IPA) | 127 (100%) | 127 (100%) | ASPDA, RGEA, GDA | 3 | Distal type, 82 (64.6%); caudal type, 33 (26.0%); proximal type, 12 (9.4%) |
Posterior gastric artery (PGA) | 103 (81.1%) | 103 (81.1%) | Pancreatic tail end, SPA | 4 | Prox-I, 22 (31.1%); Prox-C, 39 (37.9%); Dist-I, 13 (12.6%); Dist-C, 19 (18.4%) |
Left gastroepiploic artery (LGEA) | 127 (100%) | 127 (100%) | SA, ITA | 2 | SA, 23 (18.1%); ITA, 104 (81.9%) |
Gastric branch of the LGEA proximal to the omental branch | 127 (100%) | 126 (99.2%) | SA, ITA, omental branch of the LGEA | 3 | No gastric branch, 46 (36.5%); one gastric branch, 62 (49.2%); two gastric branches, 18 (14.3%) |