Myoepithelial carcinoma of the stomach: A diagnostic pitfall

Table 1 Findings for currently described gastric myoepithelial tumors

Patient	Age (yr)	Gender	Tumor size (cm)	Diagnosis	Follow-up finding (mo)	Immunohistochemical findings
Spivach et al[8], 2007	65	Female	5.5	Parachordoma	NED1, 36	CK+2, EMA+, S100+, VIM+, BU-, CD117-, CD10-, GFAP-, calponin-, calretinin-, P63
The present case	61	Female	1.3	Low graders myoepithelial carcinoma	NED, 10	AE1/AE3+, CK+, EMA+, S100+, VIM+, synaptophysin+, DOG1-, desmin-, actin M851-, HMB-45-, melan-A(weak), CD117-, CD10(spotty), GFAP-, calretinin-, CD56

+: Positive finding; -: Negative finding. NED: No evidence of disease; CK: Cytokeratin; EMA: Epithelial membrane antigen; VIM: Vimentin; GFAP: Glial fibrillary acidic protein.