CASE REPORT
A Case of Intrapelvic Inflammatory Pseudotumor with Urinary Tract Infection Due to Sigmoid Colon Diverticulitits
Susumu Ohishi, Hiroshi Tateoka, Syojirokazunori Ikenaga, Hideki Matsuya, Takaaki Yoshizaki, Hidekachi Kurotaki* and Masaru Takeuchi
Department of Surgery and Department of Pathology*, Odate Municipal Hospital
We report an uncommon inflammatory pseudotumor with urinary tract infection due to sigmoid colon diverticulitis. A 62-year-old woman admitted for pollakisuria, hematuria, and a high fever suspected of urinary tract infection improved under antibiotic therapy. Pelvic computed tomography (CT) and magnetic resonance imaging (MRI) showed a solid mass partially enhanced about 5 cm in diameter near the urinary bladder, uterus, and sigmoid colon. Colonoscopic studies showed stenosis of the sigmoid colon but no evidence of epithelial neoplasia. A barium enema examination showed diverticulosis of the sigmoid colon with stenosis about 5 cm long, necessitating sigmoidectomy for the sigmoid colon diverticulosis with an inflammatory tumor strongly adherent to the urinary bladder. No fistula was seen between the urinary bladder and sigmoid colon. A fibrous mass with necrosis and hemorrhaging formed in the subserosa and pericolic fatty tissue was diagnosed as an inflammatory pseudotumor. The postoperative course was uneventful and the patient was discharged on postoperative day 21.
Key words
inflammatory pseudotumor, colon diverticulitis, urinary tract infection
Jpn J Gastroenterol Surg 41: 264-268, 2008
Reprint requests
Susumu Ohishi Department of Surgery, Odate Municipal Hospital
3-1 Yutaka-cho, Odate, Akita, 017-0885 JAPAN
Accepted
July 25, 2007
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