Multiple Metastatic Extra-gastrointestinal Stromal Tumors with Plasmoid Differentiation: A Case Report and Review of Literature

Li-Juan Ye; Kun Li; Kai-Min Xu; Jing Yuan; Fengming Ran

doi:10.2169/internalmedicine.9727-22

CASE REPORTS

Multiple Metastatic Extra-gastrointestinal Stromal Tumors with Plasmoid Differentiation: A Case Report and Review of Literature

Li-Juan Ye, Kun Li, Kai-Min Xu, Jing Yuan, Fengming Ran

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Keywords: plasmoid differentiation, multiple metastatic, extra gastrointestinal stromal tumors, case report

JOURNAL OPEN ACCESS

2023 Volume 62 Issue 3 Pages 393-398

DOI https://doi.org/10.2169/internalmedicine.9727-22

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Abstract

Extra-gastrointestinal stromal tumors (EGISTs) are rare mesenchymal tumors that arise from the abdominal, pelvic or retroperitoneal region, unrelated to the gastrointestinal tract. However, cases with a plasmoid morphology are extremely rare. we hererin report a 49-year-old man with abdominal pain who underwent magnetic resonance imaging that revealed an irregular tumor (103×71 mm) in size, in the space between stomach and pancreas, diagnosed as an EGISIT, we also reviewed the clinicopathological characteristics and immunohistochemical characteristics, molecular genetic features and differential diagnoses previously reported in the literature.

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