A Case of Solitary Fibrous Tumor of the Ileum

A Case of Solitary Fibrous Tumor of the Ileum

A 72-year-old woman admitted for a pelvic tumor cavity in November 2007 was found in abdominal computed tomography (CT) to have a 5.0×8.0 cm tumor drainaged by the superior mesenteric vein yielding a prepoperative diagnosis of gastrointestinal stromal tumor of the ileum. The tumor and ileum were res...

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Veröffentlicht in:Nippon Shokaki Geka Gakkai zasshi 2009/09/01, Vol.42(9), pp.1517-1522
Hauptverfasser: Otsuka, Toshihiro, Kawasaki, Hideki, Takamura, Kazuhito, Yoshida, Kanehiro, Shinohara, Hisamitsu, Kuyama, Toshiko
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Sprache:eng ; jpn
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ileum
solitary fibrous tumor
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container_issue 9
container_start_page 1517
container_title Nippon Shokaki Geka Gakkai zasshi
container_volume 42
creator Otsuka, Toshihiro
Kawasaki, Hideki
Takamura, Kazuhito
Yoshida, Kanehiro
Shinohara, Hisamitsu
Kuyama, Toshiko
description A 72-year-old woman admitted for a pelvic tumor cavity in November 2007 was found in abdominal computed tomography (CT) to have a 5.0×8.0 cm tumor drainaged by the superior mesenteric vein yielding a prepoperative diagnosis of gastrointestinal stromal tumor of the ileum. The tumor and ileum were resected. The tumor 9.0×7.0×6.0 cm attached to the ileal serosa, was white and yellowish white with necrosis and hemorrhaging. Histologic of findings indicated that the tumor arose from the ileal serosa. It showed a patternless proliferation of spindle cells with irregularly arranged hyalinized collagen bundles in a myxoid stroma and prominent vessels such as those in hemangiopericytoma. Tumor cells showed immunohistochemical reactivity for vimentin, CD34, CD99, and bcl-2 but were negative for c-kit. Histology indicated a solitary fibrous tumor of the ileum. The postoperative course was uneventful and the woman remains disease-free 6 months after surgery. A solitary fibrous tumor of the ileum is very rare.
doi_str_mv 10.5833/jjgs.42.1517
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subjects ileum
solitary fibrous tumor
title A Case of Solitary Fibrous Tumor of the Ileum
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