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  • Title: [A case of mucinous adenocarcinoma of descending colon with abscess formation and solitary metastasis at right side of the abdomen].
    Author: Hosaka S, Takahashi H, Okubo S, Nagao S, Inada K, Kawamoto S, Yoshida T.
    Journal: Gan To Kagaku Ryoho; 2011 Nov; 38(12):2051-3. PubMed ID: 22202281.
    Abstract:
    A 59-year-old man realized a left lower abdominal pain and palpable mass about a month ago. He was admitted to our hospital because of the pain and high fever. Blood examinations revealed high levels of white blood cell count and CRP. Ultrasonography showed a wall thickness of the descending colon and 7 cm cystic mass with air around. Moreover, a 6 cm cystic mass was found an outside of the ascending colon. We first treated with antibiotics under the diagnosis of abscesses because of perforation of diverticulum. Colonoscopy revealed an obstructing tumor in descending colon and biopsy specimens of the tumor showed adenocarcinoma. The preoperative diagnosis of the right side tumor was unclear. We performed a partial resection of the descending colon, and the tumor outside of the ascending colon was resected. The pathological diagnosis of the tumors was both mucinous carcinoma of the colon. Mucinous carcinoma tends to be more found in the right side of the colon than in the left side. The rate of lymph node metastasis and dissemination is higher than that in differentiated adenocarcinoma. We report a rare case of mucinous carcinoma originated from the left side of the colon with a solitary dissemination in opposite side of the abdomen.
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