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Intra-abdominal small intestinal desmoid tumour mimicking GIST
  1. Sai Krishna Eswaravaka1,
  2. Swanit Hemant Deshpande2,
  3. Roshan Chiranjeev2 and
  4. Jayashri Sanjay Pandya2
  1. 1Department of General Surgery, Topiwala National Medical College, Mumbai, Maharashtra, India
  2. 2General Surgery, BYL Nair Charitable Hospital, Mumbai, Maharashtra, India
  1. Correspondence to Dr Jayashri Sanjay Pandya; smruti63{at}


Desmoid tumours, also known as aggressive fibromatosis, are fibromuscular neoplasms that arise from mesenchymal cell lines. Desmoid tumours are usually benign and are locally aggressive tumours. We report a case of a 31-year-old man presenting with abdominal mass associated with dyspepsia and early satiety. CT scan demonstrated a large heterogeneous mass adherent to or arising from the jejunum. The patient underwent a successful elective exploratory laparotomy with resection of the tumour arising from the wall of the ileum with a 10 cm margin. The patient had an uneventful recovery and no recurrence at 6-month follow-up. Pathology report and immunohistochemistry analysis revealed the mass to be a primary desmoid tumour of the small bowel, as the tumour was negative for c-kit and Discovered on GIST 1 (DOG-1) and positive for beta-catenin and smooth muscle actin.

  • small intestine
  • gastrointestinal surgery
  • surgical oncology
  • small intestine cancer

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  • Contributors SKE: conceptualisation of the work, drafted the first draft of the manuscript. SHD: edited the manuscript, review of literature, assisting surgeon in the mentioned surgery. RC: operating surgeon in the mentioned surgery, edited the review of literature. JSP: edited the final manuscript, conceptualisation of the work.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.