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A case of exophytic pedunculated gastrointestinal stromal tumor with cystic changes / 대한내과학회지
Korean Journal of Medicine ; : 222-225, 2010.
Artigo em Coreano | WPRIM | ID: wpr-121804
ABSTRACT
Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal tumors of the gastrointestinal tract, and cystic changes are commonly observed. However, there have been few reports of cases of exophytic pedunculated GIST with cystic changes. Here, we report a 45-year-old man who presented with a palpable mass in the left upper quadrant of the abdomen. The mucosal folds were endoscopically abnormal, but there was no mucosal lesion. Computed tomography demonstrated a large, low-density cystic lesion surrounding an enhanced nodule in the greater curvature of the gastric body, and there was no tumor infiltration to other organs. The patient underwent hemigastrectomy and the lesion was shown to be an exophytic pedunculated cystic tumor. Histopathological examination showed epithelioid cells with marked hemorrhaging. Immunohistochemical examination indicated that most of the tumor cell cytoplasm was positive for the c-kit protein (CD117) and CD34. The tumor was diagnosed as an exophytic pedunculated GIST of the stomach with cystic changes.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Estômago / Células Epitelioides / Proteínas Proto-Oncogênicas c-kit / Citoplasma / Trato Gastrointestinal / Tumores do Estroma Gastrointestinal / Abdome Limite: Humanos Idioma: Coreano Revista: Korean Journal of Medicine Ano de publicação: 2010 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Estômago / Células Epitelioides / Proteínas Proto-Oncogênicas c-kit / Citoplasma / Trato Gastrointestinal / Tumores do Estroma Gastrointestinal / Abdome Limite: Humanos Idioma: Coreano Revista: Korean Journal of Medicine Ano de publicação: 2010 Tipo de documento: Artigo