Nippon Shokakibyo Gakkai Zasshi
Online ISSN : 1349-7693
Print ISSN : 0446-6586
Case report
A case of acute progressive primary inflammatory fibrosarcoma of the retroperitoneum
Midori HIRAYAMAHiroshi NAKAGAWARATakashi MIYATAToshimi TAKAHASHINaoki MATSUMOTOShunichi MATSUOKAMasahiro OGAWAMitsuhiko MORIYAMAYasuhiko NAKATAMakio KOBAYASHI
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2015 Volume 112 Issue 12 Pages 2160-2167

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Abstract

A 70-year-old man with liver cirrhosis presented to us with abdominal distention. Computed tomography revealed a giant retroperitoneal tumor. Examination of a biopsy specimen led to a diagnosis of primary inflammatory fibrosarcoma of the retroperitoneum. However, disease progression was rapid, and the patient died 6 weeks after the onset of the disease. Autopsy revealed that the tumor arose from the retroperitoneum and infiltrated the omentum and mesentery. Prognosis of inflammatory fibrosarcoma is poor if resection is incomplete. Establishment of treatment for unresectable cases is necessary.

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© 2015 by The Japanese Society of Gastroenterology
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