A case of KIT negative extra-gastrointestinal stromal tumor arising in the greater omentum with predominant cystic formation

A case of KIT negative extra-gastrointestinal stromal tumor arising in the greater omentum with predominant cystic formation

We report a rare case of KIT-negative extra-gastrointestinal stromal tumor, in a 40-year-old woman. Contrast-enhanced computed tomography and magnetic resonance imaging revealed a >15-cm mass of multiple cystic lesions in the greater omentum. Histopathological findings after surgery showed a shee...

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Veröffentlicht in:Radiology case reports 2021-08, Vol.16 (8), p.2315-2318
Hauptverfasser: Nanjo, Katsuya, Nishimuta, Yusuke, Miyasaka, Mitsutoshi, Shinozaki, Kenji, Tsurumaru, Daisuke, Ishigami, Kousei
Format: Artikel
Sprache:eng
Schlagworte:
Case Report
Extra-gastrointestinal stromal tumor
Gastrointestinal stromal tumor
Greater omentum
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Zusammenfassung:We report a rare case of KIT-negative extra-gastrointestinal stromal tumor, in a 40-year-old woman. Contrast-enhanced computed tomography and magnetic resonance imaging revealed a >15-cm mass of multiple cystic lesions in the greater omentum. Histopathological findings after surgery showed a sheet-like growth of stellate tumor cells from epithelial cells, cystic degeneration, and mucus-like stroma. Immunohistochemistry was positive for discovered on GIST-1 (DOG1) but negative for CD117 (c-kit).
ISSN:1930-0433
1930-0433
DOI:10.1016/j.radcr.2021.05.061