“…GIST would react positively to CD117, CD34, or DOG1 [ 22 ]. Schwannoma is usually a neural tumor origin that is diffusely stained for S-100, arising from muscularis propria, with characteristic schwannoma hyalinized thick blood vessels with peripheral lymphoid cuffing [ 23 ]. Leiomyoma is a benign smooth muscle neoplasm; grossly, it reflects a whorled white-tan bulging cut surface that is composed of a fascicular (whorled) pattern of smooth muscle bundles growth which reacted to SMA, MSA, Desmin, and h-caldesmon positively.…”