Gastric inflammatory myofibroblastic tumor, a rare mesenchymal neoplasm: A case report

Table 1 Clinicopathological characteristics of inflammatory myofibroblastic tumors in adults, described in the literature

Ref.	Sex/age	Presenting symptoms	Tumor localization in the stomach	Tumor size (cm)	Mitosis	Histologic pattern	Treatment	Follow-up
París-Sans et al[1]	M/88	AP, vomiting, jaundice	GDJ	4	/	Proliferation of spindle-shaped mesenchymal cells mixed with lymphocytes	PG	/
Cheng et al[3]	W/52	AP	Antrum (exophytic)	4.3	0-1	Proliferation of fusiform cells	DG	6 mo
Bjelovic et al[4]	W/43	AP, nausea	Distal Stomach	6	44928	Hypercellular spindle cell proliferation with vague fascicular areas	DG	2 yr
Shi et al[5]	M/36	AP, AM	Antrum, LC	4.5	44928	Myxoid hypocellular with some fascicular areas	PG	5 yr (NED)
Shi et al[5]	M/42	AP, UGH, AM,	Upper body, GC	8	44928	Fascicular with some myxoid areas	PG	Recurrence at 12 mo
Shi et al[5]	M/40	AM	Upper body, AW	6.3	44928	Myxoid hypocellular with some fascicular areas	PG	3 yr (NED)
Shi et al[5]	M/45	AP, AM	Angle	5.5	44928	Myxoid hypocellular with some fascicular areas	PG	2.6 yr (NED)
Shi et al[5]	W/45	AP, AM	Lower body, PW	5.8	44928	Fascicular with some myxoid and sclerotic areas	PG	4 yr (NED)
Katakwar et al[6]	M/45	AP	AW	5	44928	Hypocellular, collagenized, myofibroblatic cells	DG	Recurrence at 1 mo
Leon et al[7]	W/50	Vomiting, weight loss	PW	7	44928	Patternless round and spindle cell proliferation	PG	2 yr (NED)
Park et al[8]	W/55	AP, hematoperitoneum	Upper body, GC	8	44928	Vague fascicular proliferation	Gastric wedge resection	/
Jadhav et al[9]	M/18	AM, weight loss	LC	9	44928	Pleomorphic cells, spindle-shaped to stellate cells arranged in a background of myxoid	Excision	5 yr
Qiu et al[10]	W/61	Fever	LC	3	/	Spindle cells with inflammatory infiltrate of neutrophils, eosinophils, lymphocytes, and plasma cells.	DG	3 mo (NED)
Kim et al[11]	M/25	AM	GEJ	8	/	/	/	/
Albayrak et al[12]	W/56	Nausea, vomiting, UGH	Cardia	11	44928	Granulation-type and storiform spindle cell proliferation	PG	8 mo (NED)
Our Study	W/ 45	AP	AW (exophytic)	1.3	/	Spindle/stellate cells with inflammatory cells	Gastric wedge resection	1 mo

AP: Abdominal pain; AM: Abdominal mass; UGH: Upper gastrointestinal hemorrhage; LC: Lesser curvature of the stomach; GC: Greater curvature of the stomach; AW: Anterior wall of the stomach; PW: Posterior wall of the stomach; C: Cardia; PG: Partial gastrectomy; DG: Distal gastrectomy; NED: No evidence of disease; GDJ: Gastroduodenal junction; GEJ: Gastroesophagus junction; M: Male; F: Female.