Gastric schwannoma (a case report)
The article describes a clinical case of a rare benign tumor of the stomach – schwannoma.
A patient was hospitalized for surgical treatment of cholelithiasis, but a tumor-like mass in the stomach was found intraoperatively. The surgery was stopped for meticulous examination of the patient. After further examination, radical treatment was performed - pylorus-preserving stomach resection. Histological examination did not reveal sufficient findings regarding the tumor structure, which required immunohistochemical diagnostics with the following results: the tumor cells showed positive staining for vimentin, protein S-100 and SOX-10, weak positive for CD34, but no staining for desmin, smooth muscle actin, CD117/c-kit, Dog1, pan-cytokeratin. The identified immunophenotype was indicative of gastrointestinal schwannoma.
Skoropad, V. Yu., Mozerov, S. A., Dvinskikh, N. Yu., Dementiev, A. V., & Karpov, A. A. (2016). Shvannoma zheludka [Gastric schwannoma]. Onkologiya. Zhurnal imeni P.A. Gertsena, 5(1), 63-65. https://doi.org/10.17116/onkolog20165163-65 [in Russian].
Alshamrani, A. M., Sairafi, R. A., Alzahrani, A. M., & Abdel-Raheem, M. (2018). Appendicular schwannoma presenting as vague abdominal pain. Journal of Surgical Case Reports, 2018(7), Article rjy149. https://doi.org/10.1093/jscr/rjy149
Wang, W.-B., Chen, W.-B., Lin, J.-J., Xu, J.-H., Wang, J.-H., & Sheng, Q.-S. (2016). Schwannoma of the colon: A case report and review of the literature. Oncology Letters, 11(4), 2580-2582. https://doi.org/10.3892/ol.2016.4271
Yoon, J. M., Kim, G. H., Park, D. Y., Shin, N. R., Ahn, S., Park, C. H., Lee, J. S., Lee, K. J., Lee, B. E., & Song, G. A. (2016). Endosonographic Features of Gastric Schwannoma: A Single Center Experience. Clinical Endoscopy, 49(6), 548-554. https://doi.org/10.5946/ce.2015.115
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