GIST- low power magnification

GIST in submucosa penetrates through mucosal  membrane.

GIST of the jejunum

Surgical specimen of resected jeunal tumour creating sessile tough polyp. There is a large ulcer in the central part of tumour.

GIST-high power maginification

Tumour shows plasmacytoid (left hand side), as well as spindle-cell (right hand side) growth pattern.

The same picture