Two Cases of Giant Gist of the Omentum

Ito, Hiroaki; Funahashi, Hiroomi; Sakou, Takeshi; Oshima, Kenji; Konishi, Shigeru; Nogaki, Takeshi

doi:10.3919/jjsa.65.3307

Cited by 5 publications

(1 citation statement)

References 6 publications

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“…In the digestive tract, GISTs have been found in the stomach (60%-70%), small intestine (20-25%), colon (5%), and esophagus (5%) (1). However, a very small number of reports have described GISTs arising from outside of the gastrointestinal tract (3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(25)(26)(27), termed extragastrointestinal stromal tumors (EGISTs).…”

Section: Introductionmentioning

confidence: 99%

Primary Extragastrointestinal Stromal Tumor of Greater Omentum with Intraperitoneal Bleeding

et al. 2021

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Gastrointestinal stromal tumors (GISTs) develop in the digestive tract, mainly in the stomach, small intestine, colon, or esophagus. However, primary tumors with the same pathologic features as GISTs have been reported to occur outside of the digestive tract and are called extragastrointestinal stromal tumor (EGIST). We herein report a rare case of EGIST arising from the greater omentum in a patient with abdominal pain caused by intraperitoneal bleeding from the tumor.

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Section: Introductionmentioning

confidence: 99%

Primary Extragastrointestinal Stromal Tumor of Greater Omentum with Intraperitoneal Bleeding

et al. 2021

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A case of a primary gastrointestinal stromal tumor (GIST) found in the greater omentum of a 99-year-old woman

Minegishi¹,

Shigemasa²,

Kobayashi³

et al. 2009

Jpn J Geriat

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We report the case of a primary gastrointestinal stromal tumor (GIST) found in the greater omentum of an extremely elderly woman. A 99-year-old woman with a history of heart failure and renal failure presented with dyspnea and disturbance of consciousness. A tumor located between the stomach and spleen had been detected by abdominal computed tomography three years previously. After admission, she received oxygen supplementation and diuretics. However she died of heart failure and disseminated intravascular coagulation on the 31st day of hospitalization. Autopsy was performed on the same day. A large mass measuring 12.5 x 7.0 x 7.5 cm was revealed, originating from the greater omentum. Histopathologically, it was composed of spindle cells with the nuclei showing a focal palisading pattern, however there were no mitoses. Immunohistochemically, the tumor was positive for c-kit. The tumor was diagnosed as a primary GIST of the greater omentum.

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