A case of colon cancer with intra-abdominal abscess in a young patient.

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A case of colon cancer with intra-abdominal abscess in a young patient is reported. A 24-year-old male was admitted to our hospital with chief complaints of abdominal pain, diarrhea and fever. Since localized peritonitis was observed in the right lower abdomen and ultrasonography revealed intraabdominal abscess, an emergency operation was performed. The greater omentum formed the abscess walls which adhered tightly to the transverse colon. This was diagnosed as colon cancer after resection of the abscess and partial colectomy and, therefore, right hemicolectomy was performed. Histopathologically, the lesion was classified as moderately differentiated adenocarcinoma, but both poorly differentiated adenocarcioma and mucinous adenocarcinoma were also observed partially. According to stage classification, the lesion was ss, a2, n (-), H0, P0, stage II. In general, colon cancer in young patients shows a high degree of biological malignancy with a poor prognosis. Early diagnosis is of primary importance for the improvement of prognosis. Therefore, the possibility of cancer should be always taken into account regardless of patient age.
日本大腸肛門病学会の論文