Effectiveness and safety of endoscopic resection for duodenal gastrointestinal stromal tumors: A single center analysis

Table 1 Clinical characteristics of 11 duodenal gastrointestinal stromal tumors cases

Patient	Sex	Age, yr	Clinical presentation	Location	Size of maximum diameter, cm	Growth pattern	EUS appearance	Risk assessment	Specimen margin	Postoperative hospital stay, d	Follow-up, mo
1	M	57	Melena	Duodenal bulb	2.2	Mainly extraluminal growth	MP, hypoecho, uniform echo	Low risk	Negative	9	14
2	M	56	No symptoms	Descending junction of duodenal bulb	2.0	Intraluminal growth	MP, hypoecho, uniform echo	Very low risk	Negative	15	19
3	M	68	No symptoms	Descending duodenum	3.0	Partially extraluminal growth	MP, hypoecho, uniform echo	Low risk	Negative	11	22
4	M	63	Melena	Descending duodenum	5.0	Mainly extraluminal growth	MP, hypoecho, uniform echo	Low risk	Suspiciously positive	16	30
5	M	52	Melena	Descending duodenum	1.5	Intraluminal growth	MP, mixed echo, uneven echo	Very low risk	Negative	8	33
6	M	53	Melena	Descending junction of duodenal bulb	3.5	Mainly extraluminal growth	MP, hypoecho, uniform echo	Low risk	Suspiciously positive	15	36
7	M	54	Melena	Descending duodenum	4	Intraluminal growth	MP, hypoecho, uniform echo	Low risk	Suspiciously positive	24	43
8	M	74	Melena	Descending junction of duodenal bulb	3.0	Intraluminal growth	MP, hypoecho, uniform echo	Low risk	Negative	26	50
9	F	33	Abdominal pain	Descending duodenum	3.0	Intraluminal growth	MP, hypoecho, uniform echo	Low risk	Negative	14	51
10	F	42	No symptoms	Descending junction of duodenal bulb	1.5	Intraluminal growth	MP, hypoecho, uniform echo	Very low risk	Negative	13	75
11	M	55	Abdominal distension	Duodenal bulb	2.0	Intraluminal growth	MP, hypoecho, uniform echo	Very low risk	Negative	12	80

EUS: Endoscopic ultrasonography; F: Female; M: Male; MP: Muscularis propria.