The Anatomic Course of the First Jejunal Branch of the Superior Mesenteric Vein in Relation to the Superior Mesenteric Artery

Table 1

Anatomic distribution.

	Number (percentage)
Gender
Male	137 (46%)
Female	163 (54%)
1st Jejunal branch course
Anterior to SMA	123 (41%)
Posterior to SMA	177 (59%)
No SMV trunk	16 (5%)
IMV drainage
Splenic vein	163 (54%)
Common trunk	52 (17%)
SMV	82 (27%)
Ileal branch	1 (0.3%)
Jejunal branch	2 (0.67%)