Gastric Schwannoma: The Gist Simulator

Figueroa-Giralt, Manuel; Orellana, Omar; Herranz, José Manuel

doi:10.1590/0102-672020210003e1590

ABCD, arq. bras. cir. dig.

2021

DOI: 10.1590/0102-672020210003e1590

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Gastric Schwannoma: The Gist Simulator

Manuel Figueroa-Giralt

Omar Orellana

José Manuel Herranz

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2023

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Cited by 2 publications

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Schwannoma: A Rare Case of Submucosal Gastric Tumor

Fugărețu,

Mișarca,

Petcu

et al. 2023

Diagnostics

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Schwannoma is a tumor that originates from the Schwann cells that surround a neuron’s axon. This tumor is very rare in the gastrointestinal tract and develops submucosally from intestinal nerve plexuses. The most common location for gastrointestinal schwannomas is the stomach, where they account for only 0.2% of gastric tumors. We present the case of a 56-year-old asymptomatic patient who was diagnosed, following a routine ultrasound examination, with an abdominal tumor. An abdominal MRI confirmed the gastric origin of the tumor. Although a subsequent upper-digestive endoscopic ultrasound was performed, a definitive diagnosis could not be established. Thus, a laparoscopic wedge resection of the stomach was performed. The immunohistochemical examination of the tumor established the diagnosis of benign schwannoma. Despite the availability of advanced endoscopy and imaging techniques, the diagnosis of gastric schwannoma is very rarely preoperative. The immunohistochemical identification of S-100 on the surgical specimen confirmed the diagnosis.

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Schwannoma: A Rare Case of Submucosal Gastric Tumor

Fugărețu,

Mișarca,

Petcu

et al. 2023

Diagnostics

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Tumores Sincrônicos De Estomago E Papila Duodenal: Um Caso De Schwannoma Gástrico E Tumor Neuroendócrino De Ampola De Vater

Da Silva,

Ishikawa,

Castilho

2023

Rev. Contemp.

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Homem de 63 anos, com quadro de dor abdominal, associado a náuseas, vômitos e hiporexia. Onde a investigação diagnóstica evidenciou lesão vegetante em grande curvatura e tumoração em papila duodenal. Sendo tratado com gastroduodenopancreatectomia, onde o anatomopatológico e estudo imunohistoquímico evidenciaram Schwannoma gástrico e tumor neuroendócrino de ampola duodenal ocorrendo simultaneamente.

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Gastric Schwannoma: The Gist Simulator

Cited by 2 publications

References 9 publications

Schwannoma: A Rare Case of Submucosal Gastric Tumor

Schwannoma: A Rare Case of Submucosal Gastric Tumor

Tumores Sincrônicos De Estomago E Papila Duodenal: Um Caso De Schwannoma Gástrico E Tumor Neuroendócrino De Ampola De Vater

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