Table.

Reported Cases of Brunner’s Gland Hyperplasia Diagnosed Using EUS-FNA.

No.	Reference	Age (y.o)	Sex	Complaint	Tumor size	Needle	Histological diagnosis by EUS-FNA	Treatment
1	11	62	male	epigastric pain	100 mm	N.D.	no malignancy	PD
2	7	53	male	abdominal pain	40 mm	N.D.	no malignancy, not GIST	follow up
3	12	50	female	anemia	60 mm	22G EZ-Shot	no malignancy, not GIST	local excision
4	Current case	57	female	no	45 mm	20G pro-core	no malignancy, Burunner’s grands	D-LECS

EUS-FNA: endoscopic ultrasonography-guided fine needle aspiration, N.D.: not described, PD: pancreatoduodenectomy, GIST: gastrointestinal stromal tumor, D-LECS: duodenal laparoscopic endoscopic cooperative surgery