Plexiform angiomyxoid myofibroblastic tumor of the stomach

Table 1 Clinicopathological data of plexiform angiomyxoid myofibroblastic tumor of the stomach

Case	Age (yr)	Sex	Clinical presentation	Location	Tumor size (cm)	Mitoses	Ki-67 index	Operation	Prognosis	Ref.
1	50	M	Acute abdominal pain (due to perforation)	Antrum	4.0 × 4.0 × 2.5	None	< 1%	Distal gastrectomy	No data	[11]
2	68	M	None (incidental finding at cholecystectomy)	Antrum	4.5 × 3.5 × 3.0	None	< 1%	Partial gastrectomy	Alive without tumor (12 mo)	[11]
3	50	F	Morning nausea	Antrum	1.9 × 1.8 × 0.8	None	2%	Local excision (wedge resection)	Alive without tumor (3 mo)	[12]
4	61	M	Hematemesis	Antrum	3.7	None	Not stated	Partial gastrectomy	Alive without tumor (3 mo)	[13]
5	19	F	Mass in the stomach	Antrum	4.5 × 3.5 × 3.0	None	Not stated	Distal gastrectomy	Alive without tumor (9 mo)	[14]
6	46	M	Upper gastrointestinal bleeding	Antrum	3.5	< 1/50 HPF	< 1%	Distal gastrectomy	Alive without tumor (4 mo)	[14]
7	38	F	Upper gastrointestinal bleeding, ulcer	Antrum	3 × 2	1/50 HPF	Not stated	Distal gastrectomy	No data	[15]
8	62	M	Weight loss	Antrum	4 × 4	0/50 HPF	Not stated	Partial gastrectomy, omentectomy	No data	[15]
9	75	F	Unknown	Antrum	5	0/50 HPF	Not stated	Subtotal gastrectomy	Died of unknown cause (2 mo)	[15]
10	65	F	Weight loss, gastric ulcer	Antrum, duodenal bulb	5.0 × 4.5 × 2.5	4/50 HPF	Not stated	Partial gastrectomy	Died of unknown cause (14.5 yr)	[15]
11	33	M	Anemia, weakness	Antrum	5.5 × 3.5 × 3.5	0/50 HPF	Not stated	Distal gastrectomy	Alive without tumor (19.7 yr)	[15]
12	43	M	Gastrointestinal bleeding	Antrum	5.5 × 4.5 × 4.5	0/50 HPF	Not stated	Partial gastrectomy	Alive without tumor (18.4 yr)	[15]
13	56	F	Unknown	Antrum, duodenal bulb	5.5 × 3.0	0/50 HPF	Not stated	Partial gastrectomy	Alive without tumor (19.9 yr)	[15]
14	50	M	Gastric outlet obstruction	Antrum, duodenal bulb	7 × 6 × 6	2/50 HPF	Not stated	Distal gastrectomy	Died of unknown cause (25.5 yr)	[15]
15	21	M	Syncope, anemia	Antrum, duodenal bulb	9 × 6 × 5	0/50 HPF	Not stated	Antrectomy	Alive disease status unknown (22 yr)	[15]
16	16	F	Hematemesis	Antrum	10 × 9 × 6	2/50 HPF	Not stated	Distal gastrectomy	Alive disease status unknown (3 yr)	[15]
17	30	F	Gastric ulcer	Antrum	10 × 9 × 6	1/50 HPF	Not stated	Distal gastrectomy	Alive disease status unknown (24 yr)	[15]
18	7	F	Emesis, diarrhea, abdominal mass	Antrum, duodenal bulb	15 × 11 × 8	4/50 HPF	Not stated	Excision of tumor	No data	[15]
19	23	M	Abdominal pain and discomfort, tarry stool	Antrum, duodenal bulb	14 × 14 × 7	None	< 1%	Partial gastrectomy	Alive without tumor (12 mo)	Unpublished

HPF: High power fields.