A Case of Mesenteric Inflammatory Psuedotumor Suspected to Be due to Mesenteric Cyst Rupture

A 70-year-old woman was referred to our hospital with complaints of high fever, abdominal pain, and loss of appetite. Abdominal computed tomography (CT) showed a giant multiple cystic tumor with a maximum diameter of about 25 cm in the mesentery of the right colon. She was diagnosed as having a huge...

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Published inNihon Rinsho Geka Gakkai Zasshi (Journal of Japan Surgical Association) Vol. 80; no. 12; pp. 2201 - 2206
Main Authors YONEMORI, Keiichi, MAEDA, Shinichi, NURUKI, Kensuke, HARAGUCHI, Yusei, YAMAMOTO, Noriko, NATSUGOE, Shoji
Format Journal Article
LanguageJapanese
Published Japan Surgical Association 2019
Subjects
inflammatory pseudotumor
mesenteric cyst
rupture
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Summary:A 70-year-old woman was referred to our hospital with complaints of high fever, abdominal pain, and loss of appetite. Abdominal computed tomography (CT) showed a giant multiple cystic tumor with a maximum diameter of about 25 cm in the mesentery of the right colon. She was diagnosed as having a huge mesenteric cyst. Since antibiotics were ineffective for relieving the abdominal pain, surgery was performed. However, a giant cyst was not confirmed, and a dark-red, hard mass of about 6 cm was found in the mesentery of the transverse colon. The mass was excised with partial resection of the transverse colon. Histological findings showed inflammatory cell infiltration with no malignant cells. Thus, the mass was diagnosed as an inflammatory pseudotumor. There has been no evidence of recurrence on follow-up. To the best of our knowledge, there is no prior report in the Japanese literature of a case of mesenteric inflammatory pseudotumor suspected to be due to rupture of a mesenteric cyst. Therefore, this case is reported as an example of a unique and very rare mesenteric inflammatory pseudotumor.
ISSN:1345-2843
1882-5133
DOI:10.3919/jjsa.80.2201