"Ewing's sarcoma of the duodenum: a rare gastrointestinal presentation": case report and review of literature.

ABSTRACT: Ewing's sarcoma (ES) is exceptionally rare in the gastrointestinal tract, with only a few cases documented in the literature. We present a case of duodenal Ewing's sarcoma in a 44-year-old woman. The patient presented with severe abdominal pain, vomiting, and loss of appetite. Upper gastrointestinal endoscopy revealed a huge bulge in the first part of the duodenum (D1) wall, resulting in luminal narrowing in D1 and D2. A contrast-enhanced computed tomography scan corroborated the findings with no evidence of any distal metastasis. The patient is a known hypothyroid and had undergone hysterectomy five years back and cholecystectomy one year back. The patient underwent a Whipple procedure along with lymph node dissection. During surgery, a 4.5 cm mass was discovered in the D1 extending to th

SUBMITTER: Agrawal S 

PROVIDER: S-EPMC12465797 | biostudies-literature | 2025 Sep

REPOSITORIES: biostudies-literature