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A Rare Duodenal Subepithelial Tumor: Duodenal Schwannoma
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Dong Hwahn Kahng, Gwang Ha Kim, Sang Gyu Park, So Jeong Lee, Do Youn Park
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Clin Endosc 2018;51(6):587-590. Published online May 15, 2018
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DOI: https://doi.org/10.5946/ce.2018.050
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 Abstract
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- Schwannomas are uncommon neoplasms that arise from Schwann cells of the neural sheath. Gastrointestinal schwannomas are rare among mesenchymal tumors of the gastrointestinal tract, and only a few cases have been reported to date. Duodenal schwannomas are usually discovered incidentally and achieving a preoperative diagnosis is difficult. Schwannomas can be distinguished from other subepithelial tumors on endoscopic ultrasonography; however, any typical endosonographic features of duodenal schwannomas have not been reported due to the rarity of these tumors. Immunohistochemistry is essential to distinguish schwannomas from gastrointestinal stromal tumors and leiomyomas. We report a case of duodenal schwannoma found incidentally during a health check-up endoscopy. On endoscopic ultrasonography, this tumor was suspected as a gastrointestinal stromal tumor; therefore, the patient underwent laparoscopic wedge resection of the tumor. Histopathology and immunohistochemistry confirmed that the duodenal lesion was a benign schwannoma.
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Citations
Citations to this article as recorded by  - Ileal Schwannoma: A Rare Cause of Pelvic Mass
Martin Jezovit, Hasan Bakirli, Ifrat Bakirov, Khalid Hureibi, Gultakin Bakirova, Roman Okolicany, Pavol Janac, Iveta Meciarova, Nasser Alhwaymel, Ilkin Bakirli, Augustin Prochotsky, Muthukumaran Rangarajan
Case Reports in Surgery.2024; 2024: 1. CrossRef - Surgical approaches for subepithelial tumors in difficult locations of the gastrointestinal tract
Hoseok Seo
Foregut Surgery.2024; 4(2): 51. CrossRef - Periampullary duodenal schwannoma mimicking ampullary neoplasm
Marly Pierina Rubio Sierra, Aydamir Alrakawi, Ahmad Alduaij, Dana AlNuaimi, Numan Cem Balci
Radiology Case Reports.2020; 15(11): 2085. CrossRef
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