Gastroinstestinal stromal tumor (GIST) - esophageal

Discussion:

 

This case shows an incidental exophytic mass in the distal esophagus. The differential on imaging includes leiomyoma, favored as it is the most common being tumor od the esophagus and given the calcifications, and GIST. Gastroscopy biopsies favored GIST due to the positive staining for CD117 (c-KIT).

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