Table 1.

Clinicopathological findings of the collected duodenal gangliocytic paraganglioma

Cases	Age (years)	Sex	Operation	Duodenal site	size (mm)	Depth	Lymph node metastasis	Outcome (months)
1	49	Male	Endoscopic resection	NOS	10	sm	Nagative	NED 84
2	61	Male	PPPD	Papilla of Vater	30	mp	Positive (station 8a)	NED 48
3	63	Male	Endoscopic resection	Papilla of Vater	22	oddi	Nagative	NED 12
4	63	Male	Endoscopic resection	Horizontal portion	15	sm	Nagative	NED 20
5	64	Male	PPPD	Papilla of Vater	42	sm	Nagative	NED 6
6	64	Female	Endoscopic resection	Papilla of Vater	7	sm	Nagative	NED 91
7	66	Male	Endoscopic resection	Papilla of Vater	12	oddi	Nagative	NED 90
8	67	Male	PPPD	Papilla of Vater	21	sm	Nagative	NED 12
9	72	Male	Local excision	NOS	40	mp	Nagative	NED 24
10	74	Female	PD	Second part	23	oddi	Positive
(station 13)	NED 6
11	76	Female	Endoscopic resection	Papilla of Vater	9	oddi	Nagative	NED 25
12	78	Male	Endoscopic resection	Papilla of Vater	12	oddi	Nagative	NED 84

PD: pancreatoduodenectomy, PPPD: pylorus-preserving pancreaticoduodenectomy, NOS: not otherwise specified, size: maximum diameter of the tumor, depth: depth of the tumor, sm: submucosal layer, oddi: sphincter oddi, mp: muscularis propria, NED: no evidence of disease.

Legend: In this study, a total of 12 patients with duodenal gangliocytic paraganglioma were collected and examined. Clinicopathological findings of the 12 patients are summarized.