Surgical anatomy of the innervation of pylorus in human and Suncus murinus, in relation to surgical technique for pylorus-preserving pancreaticoduodenectomy

Table 1 Cadavers used in this study and pyloric innervation in the superior part

Case	Sex	Age	Death	Number1	Route I	Route II	Route III
A	F	94	Pneumonia	1	O		O
B	F	81	Cerebral hemorrhage	2	O	O	O
C	F	83	Myocardial infarction	1	O		O
D	M	87	Myocardial infarction	4	O	O	O
E	M	86	Pneumonia	4	O		O
F	M	73	Cerebral hemorrhage	3	O	O	O
G	M	87	Cerebral hemorrhage	4	O		O
H	M	75	Myocardial infarction	4	O		O
I	F	82	Subarachnoid hemorrhage	5	O	O	O
J	F	50	Pneumonia	3	O	O	O

¹The number of hepatic divisions, a total of 46 hepatic divisions (average of 4.6). Route I, from the anterior hepatic plexus via the right gastric artery to the pyloric region; Route II, descending division from the hepatic division to the right gastric artery directly; Route III, from the nerves of Latarjat.