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Background <p>We present a case of a 36-year-old female with a BMI of 41.1&#xa0;kg/m² who underwent a one-anastomosis Gastric Bypass (OAGB) with remnant stomach resection following an aborted sleeve gastrectomy (SG) due to an incidental gastric lesion.</p> Case Presentation <p>Two weeks post-aborted SG, the patient underwent evaluation, including contrast-enhanced CT and multiple esophagogastroduodenoscopies (EGD), which failed to confirm a definitive diagnosis. Following a multidisciplinary team decision, she underwent OAGB with remnant stomach resection of the segment harboring the lesion. Intraoperatively, a raised nodular mass was identified, and the stomach containing the lesion was resected. Histopathology confirmed benign heterotopic pancreatic tissue.</p> Conclusion <p>Resectional bariatric procedures provide a viable option for patients with incidental gastric lesions detected intraoperatively, enabling both weight loss and definitive diagnosis.</p>

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One Anastomosis Gastric Bypass with Remnant Stomach Resection for an Undiagnosed Gastric Lesion: A Case Report

  • 期刊论文

  • 发表日期：

    2026年4月25日

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  • Hassan El-Masry,
  • Mohamed Al Sayed,
  • Aliaa Selim,
  • Ahmed AboKhozima,
  • Ahmed Abo Elmagd,
  • Mohammed Alokl,
  • Hashem Altabbaa,
  • Mohamed H. Zidan

摘要

Background

We present a case of a 36-year-old female with a BMI of 41.1 kg/m² who underwent a one-anastomosis Gastric Bypass (OAGB) with remnant stomach resection following an aborted sleeve gastrectomy (SG) due to an incidental gastric lesion.

Case Presentation

Two weeks post-aborted SG, the patient underwent evaluation, including contrast-enhanced CT and multiple esophagogastroduodenoscopies (EGD), which failed to confirm a definitive diagnosis. Following a multidisciplinary team decision, she underwent OAGB with remnant stomach resection of the segment harboring the lesion. Intraoperatively, a raised nodular mass was identified, and the stomach containing the lesion was resected. Histopathology confirmed benign heterotopic pancreatic tissue.

Conclusion

Resectional bariatric procedures provide a viable option for patients with incidental gastric lesions detected intraoperatively, enabling both weight loss and definitive diagnosis.