Stromal / other tumors
Reviewers: Elliot Weisenberg, M.D. (see Reviewers page)
Revised: 13 October 2012, last major update July 2012
Copyright: (c) 2003-2012, PathologyOutlines.com, Inc.
● Spindle cell or less commonly epithelioid tumor, usually in soft tissues, rare in stomach
● Cases in gastroesophageal junction and stomach wall (Mod Pathol 2000;13:68)
Biphasic tumor has well-demarcated, gland-like structures in spindle cell background
Electron microscopy images
Biphasic cell population separated by discrete electron dense basal lamina; epithelial cells have numerous microvilli projecting into a luminal space
t(X;18) is characteristic
End of Stomach > Stromal / other tumors > Synovial sarcoma
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