Gastrointestinal stromal tumor (GIST)
75 year old woman with an 8 cm subserosal gastric mass. Spindle cell lesion with pseudopalisading pattern
reminiscent of a schwannoma. Inset - lesional cells highlighted with CD117 (c-kit) immunohistochemical stain.
Contributed by: Drs. James Carlsten, Baishali Bhattacharya, and Murray Resnick
1 minute clinical correlation