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, 46 (13), 2560-2561

[Appendix Cancer With Long-Term Survival After Multimodality Therapy-A Case Report]

[Article in Japanese]
  • PMID: 32156998

[Appendix Cancer With Long-Term Survival After Multimodality Therapy-A Case Report]

[Article in Japanese]
Dai Kitagawa et al. Gan To Kagaku Ryoho.


We report a case of long-term survival in a 65-year-old woman with recurrent appendix cancer. In March 2002, she was diagnosed with appendix cancer and underwent ileocecal resection. The pathological diagnosis was mucinous cystadenocarcinoma, pT2N0M0, Stage Ⅰ. In April 2006, ovariohysterectomy was performed for right ovarian metastases. In February 2011, tumor resection was performed for disseminated recurrence after 4 courses of systemic chemotherapy(bevacizumab plus mFOLFOX6). Although no recurrent lesions had been detected on imaging, stepwise elevation of serum CEA level was observed from June 2016. In November 2017, computed tomography scan revealed a slow-growing tumor on the liver. We performed partial resection of the right hemidiaphragm for the disseminated tumor, and the pathological diagnosis was mucinous adenocarcinoma. The patient has been on continuous postoperative follow-up without recurrence until June 2019. Appendix cancer is relatively rare and has a worse prognosis compared to colorectal cancer because of higher frequency of disseminated metastases. With the multimodality therapy, our patient showed long-term survival over 17 years despite a disseminated recurrence. In cases of mucinous cystadenocarcinoma of the appendix, persistent follow-up and aggressive treatment are recommended.

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