What are the ESMO diagnostic guidelines for GI stromal tumors (GIST)?

Updated: Sep 02, 2018
  • Author: Steven C Katz, MD, FACS; Chief Editor: Edwin Choy, MD, PhD  more...
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ESMO guidelines recommend that patients with small esophagogastric or duodenal nodules < 2 cm undergo endoscopic ultrasound assessment and then annual follow-up, reserving excision for patients whose tumor increases in size or becomes symptomatic. For small rectal nodules, however, the ESMO guidelines recommend biopsy/excision after transrectal ultrasound assessment, regardless of tumor size. In addition, all nodules 2 cm or larger require biopsy. [7]

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