Differential diagnosis of submucosal gastric tumors: gastric schwannomas misdiagnosed as GISTs

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dc.contributor.authorÜnver, Mutlu
dc.contributor.authorErtekin, Süleyman Çağlar
dc.contributor.authorKebapçı, Eyüp
dc.contributor.authorÖlmez, Mustafa
dc.contributor.authorErgin, Erhan
dc.contributor.authorÖztürk, Şafak
dc.contributor.authorŞahin, Erkan
dc.contributor.authorOrtaç, Ragıp
dc.date.accessioned2024-12-23T09:45:36Z
dc.date.available2024-12-23T09:45:36Z
dc.date.issued2024en_US
dc.departmentFakülteler, Tıp Fakültesi, Cerrahi Tıp Bilimleri Bölümü,Genel Cerrahi Ana Bilim Dalıen_US
dc.description.abstractSchwannomas commonly occur in the head and neck region but are rarely seen in the gastrointestinal tract; the stomach and small intestine are the most commonly involved sites. These tumors are usually misdiagnosed as gastrointestinal stromal tumors (GISTs) before histopathological confirmation due to radiological similarity. GI schwannomas show positivity for S100 protein and vimentin but are negative for CD 117 and CD 34, which helps in differentiating the tumor from GISTs. Case 1: a 70-year-old woman was referred to our hospital by complaints of abdominal pain and discomfort. Upper GI endoscopy demonstrated a protruding lesion at the lesser curvature of the gastric body, and fine-needle aspiration biopsy showed chronic inflammation without malignancy. Since the lesion was suspected to be GIST, this patient had surgery, and a gastric schwannoma was resected successfully. Case 2: a 66-year-old female with anemia and abdominal discomfort was found to have a submucosal elevated mass at the greater curvature of the antrum. Fine needle aspiration biopsy was suggestive of a spindle cell tumor resembling GIST. The patient underwent subtotal gastrectomy with Roux-en-Y reconstruction. Histopathology confirmed schwannoma. It is necessary to differentiate gastric schwannomas from other submucosal tumors of the stomach, especially GISTs. Surgical complete resection of schwannomas usually has a good prognosis with a low probability of recurrence. Though rare, gastric schwannomas should be included in the differential diagnosis of submucosal gastric tumors because the correct identification of this tumor type helps in proper management and evasion of unnecessary extensive surgery.en_US
dc.identifier.citationÜnver, M., Ertekin, S. Ç., Kebapçı, E., Ölmez, M., Ergin, E., Öztürk, Ş., Şahin, E., Ortaç, R. (2024). Differential diagnosis of submucosal gastric tumors: gastric schwannomas misdiagnosed as GISTs. Journal of Surgical Case Reports, 2024(12). 10.1093/jscr/rjae793en_US
dc.identifier.issn2042-8812
dc.identifier.issue12en_US
dc.identifier.scopus2-s2.0-85212923326
dc.identifier.scopusqualityQ3
dc.identifier.urihttps://hdl.handle.net/20.500.12939/5095
dc.identifier.volume2024en_US
dc.identifier.wosWOS:001379527200001
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorErtekin, Süleyman Çağlar
dc.language.isoen
dc.relation.ispartofJournal of Surgical Case Reports
dc.relation.isversionof10.1093/jscr/rjae793en_US
dc.relation.publicationcategoryRaporen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectDifferential diagnosisen_US
dc.subjectGastric schwannomaen_US
dc.subjectGastrointestinal stromal tumor (GIST)en_US
dc.subjectSurgical resectionen_US
dc.titleDifferential diagnosis of submucosal gastric tumors: gastric schwannomas misdiagnosed as GISTs
dc.typeReport

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