Double-balloon enteroscopy in small bowel tumors: A Chinese single-center study

Table 1 Patient characteristics n (%)

Characteristic	n = 400
Age, yr, median (range)	46.9 ± 16.3 (14-86)
Sex (male/female)	250/150
Reasons for DBE
OGIB	149 (37.3)
Abdominal pain	123 (30.7)
Chronic diarrhea	40 (10.0)
Others	88 (22.0)
Tumors detected by DBE	n = 78
OGIB	37 (47.4)
Abdominal pain	19 (24.4)
Intestinal obstruction	8 (10.3)
Others	14 (17.9)

DBE: Double-balloon enteroscopy; OGIB: Obscure gastrointestinal bleeding.

Table 2 Tumors detected in the present study

Tumor	DBE (positive/negative)	Detection rate	Benign/malignant	Duodenum /jejunum/ileum
Adenocarcinoma	23 (22/1)	29.50%	0/23	6/16/1
GIST	19 (16/3)	24.40%	6/13	3/12/4
Lymphoma	12 (9/3)	15.40%	0/12	1/6/5
Lipoma	8 (7/1)	10.30%	8/0	0/8/0
Metastatic carcinoma	8 (8/0)	10.30%	0/8	3/2/3
Hamartoma	2 (2/0)	2.60%	2/0	1/0/1
Others1	6 (3/3)	7.70%	4/2	2/3/1
Total	78 (67/11)	100%	20/58	16/47/15

¹1 duodenal Brunner’s adenoma, 1 ileal hemangioma, 1 duodenal gangliocytic paraganglioma, 1 jejunal mesangial fibrosarcoma,1 jejunal inflammatory myofibroblastic tumor, 1 jejunal serosa fibromatosis. DBE: Double-balloon enteroscopy; GIST: Gastrointestinal stromal tumor.