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Case Reports
. 2025 Mar 25;11(4):e2024.00045.
doi: 10.4293/CRSLS.2024.00045. eCollection 2024 Oct-Dec.

Incidental Gastrointestinal Stromal Tumor in a Patient Undergoing Robotic Sleeve Gastrectomy

Adham Ahmed  1 , Tara Ranjbar  2   3 , Ricky Y Lovell  1 , Samantha Colon  1 , Branden Tejada  1 , Claire Platt  4 , Caitlin Russell  2   3 , Indraneil Mukherjee  2   3 , Olivia Haney  2   3
Affiliations
Case Reports

Incidental Gastrointestinal Stromal Tumor in a Patient Undergoing Robotic Sleeve Gastrectomy

Adham Ahmed et al. CRSLS. .

Abstract

Bariatric surgery is the most effective treatment option for patients with refractory morbid obesity to help facilitate weight-loss and reduce long-term metabolic morbidity and mortality. Over 200,000 procedures are performed annually in the United States with sleeve gastrectomy being the most common surgical approach. However, the growing popularity of surgical bariatric interventions has led to an increase in incidental findings of gastrointestinal neoplasms in intraoperative specimens. We report our experience performing a robotic sleeve gastrectomy in a 58-year-old woman who was later found to have a gastrointestinal stromal tumor (GIST) with positive immunohistochemical marking.

Keywords: Bariatric surgery; GIST; Pathology.

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Conflict of interest statement

Conflict of interest: none.

Figures

Figure 1.
Figure 1.
Gastrointestinal stromal tumor (GIST): low power microscopic view (50X) of a hematoxylin and eosin-stained slide shows tumor formed by spindle cell proliferation with sclerosis in between (yellow arrow).
Figure 2.
Figure 2.
Gastrointestinal stromal tumor (GIST): high power microscopic view (400X) of a hematoxylin and eosin-stained slide shows tumor formed by bland spindle cell proliferation.
Figure 3.
Figure 3.
Gastrointestinal stromal tumor (GIST): immunohistochemistry testing showed positive labeling of the tumor cells with DOG1 and CD117 which confirms the diagnosis.
See this image and copyright information in PMC

References

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