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Gastrointestinal stromal tumor of the excluded stomach after Roux-en-Y gastric bypass: A case report and literature review

Nascimento, Wagner A ; Macedo, Carlos Eduardo S ; Santa-Cruz, Fernando ; Coelho, Henrique G B ; Camelo Soares, Daniel T ; Ferraz, Álvaro A B

International journal of surgery case reports, 2020, Vol.74, p.196-200

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  • Título:
    Gastrointestinal stromal tumor of the excluded stomach after Roux-en-Y gastric bypass: A case report and literature review
  • Autor: Nascimento, Wagner A ; Macedo, Carlos Eduardo S ; Santa-Cruz, Fernando ; Coelho, Henrique G B ; Camelo Soares, Daniel T ; Ferraz, Álvaro A B
  • É parte de: International journal of surgery case reports, 2020, Vol.74, p.196-200
  • Notas: ObjectType-Case Study-2
    content type line 59
    SourceType-Reports-1
    ObjectType-Report-1
  • Descrição: BACKGROUNDGastric cancer is an extremely rare condition to occur after bariatric surgery, and most of the reported cases are adenocarcinomas. Regarding gastrointestinal stromal tumors (GISTs), there are only two reported cases occurring after bariatric surgery (one after gastric banding and the other following Roux-en-Y gastric bypass (RYGB)). CASE PRESENTATIONA 48-year-old woman with previous history of obesity and type 2 diabetes, treated with a Roux-en-Y gastric bypass 2 years earlier, was referred to our center due to complains of diffuse abdominal pain and distension associated with asthenia. Magnetic resonance imaging showed a cystic-solid mass located in the right hypochondrium, measuring 19.5 × 13.5 × 16 cm, suggesting the diagnosis of a retroperitoneal tumor. Based on these findings, a laparotomy, evidencing that the larger cystic-solid tumor was originating from the excluded stomach post-RYGB. The gastrectomy of the excluded stomach was performed aside with a conventional cholecystectomy. Histopathology and immunohistochemistry confirmed to be a gastric GIST with epithelioid cells. Currently, 12 months after surgery, the patient presents no signs of recurrence. CONCLUSIONThis is the second case of gastric GIST occurring after RYGB to be reported in the literature.
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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