Internal Medicine
Online ISSN : 1349-7235
Print ISSN : 0918-2918
ISSN-L : 0918-2918
CASE REPORTS
Fistula Formation Secondary to Mucinous Appendiceal Adenocarcinoma May Be Related to a Favorable Prognosis: A Case Report and Literature Review
Masataka YokodeEiji IkedaYugo MatsuiSena IwamuraSakae MikamiHiroyuki KobayashiYukihiro ImaiSatoshi KaiharaYukimasa Yamashita
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JOURNAL OPEN ACCESS

2018 Volume 57 Issue 20 Pages 2945-2949

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Abstract

A 90-year-old man was referred to our hospital because of a positive fecal occult blood test. Colonoscopy revealed a lesion with multiple nodules covered with abundant mucus at the hepatic flexure. Computed tomography showed a dilated appendix attached distally to the hepatic flexure. Right hemicolectomy was performed, and the pathological examination revealed a mucinous appendiceal adenocarcinoma infiltrating the hepatic flexure without pseudomyxoma peritonei. The patient is doing well without recurrence 12 months postoperatively. Extraperitoneal drainage of the malignant ascites caused by the fistula may allow for an early diagnosis, while also making it possible to successfully resect the lesion, thus resulting in a favorable outcome.

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© 2018 by The Japanese Society of Internal Medicine
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