Invited Response Letter: Our Experience Regarding the Association Between Gastrointestinal Stromal Tumor and Bariatric Surgery. A Response to a Letter “Gastrointestinal Stromal Tumor After Laparoscopic Sleeve Gastrectomy: Be Awake Before, During, and After a Bariatric Procedure”
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Invited Response Letter:
We are grateful to the authors for the presentation of another 12 cases of incidental gastrointestinal stromal tumors (GISTs) during bariatric surgery which substantially expands the current knowledge . We appreciate the opportunity to respond.
The published patients were slightly older (mean age 53.8 years) than our 26 cases (mean age 50.5 years) reported earlier in this journal, but still in the same range [2, 3]. The localization of the tumors in the gastric fundus was somewhat higher than in our population (91.1% vs. 77.7%, respectively), although both, gastric corpus and fundus, are in accordance with the anatomical distribution of interstitial cells of Cajal as origin of the tumor formations .
Most gastric GISTs are discovered during the operation rather than before. This may have a substantial impact and often generates the need for a prompt intraoperative decision and consecutive adaption of the bariatric strategy to the specific situation. In our...
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Conflict of Interest
The authors declare that they have no conflicts of interest.
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- 7.Fernandez JA et al. Additional malignancies in patients with gastrointestinal stromal tumors (GIST): incidence, pathology and prognosis according to a time of occurrence-based classification. Clin Transl Oncol. 2018. https://doi.org/10.1007/s12094-018-1966-5.