Jejunal veins
Venae jejunales
Definition
The jejunal veins are tributaries of the superior mesenteric vein for the draining of jejunum.
The first and second jejunal veins (J1V and J2V) often form a common trunk known as the first jejunal trunk (FJT) in approximately 84% of patients. This trunk can be located either dorsal or ventral to the superior mesenteric artery (SMA).[1-2] The FJT typically drains into the SMV, although variations exist where the J1V and J2V drain separately into the superior mesenteric vein.
References
1.Surgical Pitfalls of Jejunal Vein Anatomy in Pancreaticoduodenectomy.Ishikawa Y, Ban D, Matsumura S, et al.Journal of Hepato-Biliary-Pancreatic Sciences. 2017;24(7):394-400. doi:10.1002/jhbp.451.
2.Vascular Anatomy of the Jejunal Mesentery and Complications Associated With Division of the First Jejunal Venous Trunk During Pancreaticoduodenectomy.Kobayashi Y, Sakamoto Y, Arita J, et al.Journal of Surgical Oncology. 2018;117(6):1297-1304. doi:10.1002/jso.24948.
3.First Jejunal Vein, Jejunal Trunk, and Pancreatico-Duodenectomy: Resolving the Literature Conundrum.Desai G, Wagle PK.Langenbeck's Archives of Surgery. 2023;408(1):104. doi:10.1007/s00423-023-02849-w.
