Gastric mixed adenoma-neuroendocrine tumor: A case report

Table 1 Review of the literature, clinicopathological features of gastric mixed adenoma- neuroendocrine tumor

No	Ref.	Age	Sex	Size (mm)	Location	Polyp type	Adenoma type	NET grade	Forceps biopsy diagnosis	Depth	Procedure	Follow-up
1	Lehtola et al[2]	NA	M	5	Body	0-Is	TA, NA	NA	Gastric mixed adenoma-NET	NA	Polypectomy	AFD (1 yr)
2	Ito et al[3]	54	M	20	Body	0-Is	TA, LG	NA	By polypectomy	MM	Subtotal Gx	AFD (19 yr)
3	Harada et al[4]	72	M	10	Body LC, GC	0-Is	NA	NA	Gastric mixed adenoma-NET	LP	Bx→ESD	AFD (13 yr)
4	De Marco et al[5]	76	M	10	Body	0-Is	TA, LG	G1	By polypectomy	MM	Polypectomy	AFD (10 mo)
5	Coyne and O'Connor[6]	68	F	11	NA	NA	TA, LG	G1	Gastric mixed adenoma-NET	SM	Bx→polypectomy	NA
6	Lee et al[7]	64	M	6	Body PW	NA	TA, NA	NA	NA	MM	ESD	AFD (2 yr)
7	Lee et al[7]	63	M	40	Antrum	NA	TA, NA	NA	NA	LP	ESD	AFD (2 yr)
8	Lee et al[7]	52	M	18	Body PW	NA	TA, NA	NA	NA	MM	ESD	AFD (2 yr)
9	La Rosa et al[1]	55	M	15	NA	NA	TA, HG	G1	NA	MM	NA	AFD (27 yr)
10	Matsubara et al[8]	69	M	5	Body AW	0-Is	NA	G2	Adenoma	SM	ESD→proximal Gx	NA
11	Case	66	M	22	Body AW	0-IIa	TA, HG	G1	Adenocarcinoma susp	MM	ESD	AFD (6 mo)

AFD: Indicates alive free of disease; AW: Anterior wall; Bx: Biopsy; F: Female; HG: High grade; GC: Great curvature; Gx: Gastrectomy; LC: Lesser curvature; LG: Low grade; LP: Lamina propria; M: Male; MM: Muscularis mucosae; NA: Not available; NET: Neuroendocrine tumor; PW: Posterior wall; SM: Submucosa; TA: Tubular adenoma; 0-Is: Sessile polyp.