A rare giant gastrointestinal stromal tumor (GIST) of the stomach traversing the upper abdomen: a case report and literature review.

World Journal of Surgical Oncology (Impact Factor: 1.09). 04/2012; 10(1):66. DOI: 10.1186/1477-7819-10-66
Source: PubMed

ABSTRACT This article presents a 66-year-old woman with a huge GIST of stomach that traverses the upper abdomen. With only the predominant abdominal sign featuring a palpable huge mass, but none special physical findings and routine blood as well as biochemical markers, it could hardly judge where the mass drive from upon the images. Furthermore, many important blood vessels had a complex relationship with the mass according to radiological findings. An exploratory laparotomy revealed a huge tumor that protrude from prior wall of stomach fundus, lesser curvature of stomach side, measuring approximately 21 x 34 x 11 cm in diameter and weighing 5.5Kg. A completely resection was decided on the tumor and the department of pathology immunohistochemically characterized it (CD117, CD34, Dog-1, etc) as a GIST of stomach. Preoperatively diagnosis of GISTs is still sometimes puzzling. Hoping the presentation of this rare case and the literature review could benefit others in similar problems.

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    ABSTRACT: Gastrointestinal stromal tumors (GISTs) represent 85% of all mesenchymal neoplasms that affect the gastrointestinal (GI) tract. These GISTs range in size from small lesions to large masses. Often they are clinically silent until they reach a significant size, so their discovery is usually incidental. A 67-year-old man was admitted at our general surgery department with a persistent abdominal pain in the left hypochondrium, associated with nausea and vomiting. Clinical examination revealed a palpable mass in the epigastrium and in the left hypochondrium, which was approximately 40 cm long. Ultrasonography and computed tomography of the abdomen showed a large mass of 40 x 25 cm, which extended from the posterior wall of the stomach to the spleen, involving the body and the tail of the pancreas. The patient underwent en-block resection of the mass, sleeve resection of the stomach, and distal pancreatectomy-splenectomy. The histopathology of the resected specimen was consistent with a gastrointestinal stromal tumor of the stomach (positive for CD 117) with a high risk of malignancy (mitotic count >5/50 high-power fieldand Ki67/Mib1 >10%). The postoperative course was uneventful and treatment with imatinib mesylate began immediately. The patient appears to be disease free after four years. Giant GISTs of the stomach are rare. Surgical resection with curative intent is feasible. The combination of surgical resection and imatinib can provide long-termdisease-free survival. An R0 resection is the best achievable treatment, therefore the patient should be evaluated over time for potential resectability.
    World Journal of Surgical Oncology 08/2013; 11(1):172. · 1.09 Impact Factor
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    ABSTRACT: Gastrointestinal stromal tumor (GIST) is a rare tumor comprising 0.1-0.3% of all gastrointestinal (GI) malignancies. Stomach followed by small intestine is the most common sites of involvement, implicated in 95% of the cases. We present a case of GIST complicating a colonic interposition. To the best of the author's knowledge, this is the first reported case of GIST complicating a colonic interposition.
    BMC Research Notes 09/2014; 7(1):604.

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