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  • Title: A giant mucinous cystadenocarcinoma of the appendix: a case report and review of the literature.
    Author: Nagata H, Kondo Y, Kawai K, Ishihara S, Kazama S, Nirei T, Soma D, Yamada J, Sunami E, Kitayama J, Kubota Y, Watanabe T.
    Journal: World J Surg Oncol; 2016 Mar 05; 14():64. PubMed ID: 26945579.
    Abstract:
    BACKGROUND: Mucinous cystadenocarcinoma is the second most common etiology of appendiceal mucocele. We report a relatively rare case of a giant appendiceal mucocele caused by mucinous cystadenocarcinoma, which occupied the entire abdomen of an adult woman. CASE PRESENTATION: A 63-year-old woman presented with a chief complaint of abdominal distention. Imaging studies showed a giant cystic mass occupying her entire abdomen. Laparotomy confirmed a giant appendiceal mucocele, and the patient underwent ileocecal resection. A mucinous deposit was not found in her abdominal cavity, and the ovaries were grossly normal bilaterally. The pathological diagnosis was mucinous adenocarcinoma with a low-grade mucinous neoplasm that invaded the subserosa. Regional lymph node metastasis was not found. She has had recurrence-free survival for 5 years. CONCLUSIONS: The present case is the largest appendiceal cystadenocarcinoma ever reported. The optimal treatment of an appendiceal neoplasm requires further research based on consensus terminology of an appendiceal mucocele.
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