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Cases J. 2009 Aug 17;2:7196. doi: 10.4076/1757-1626-2-7196.

Primary retroperitoneal mucinous cystadenocarcinoma in a male patient: a case report.

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  • 1Surgery Unit "Clinique Chirurgicale C", University Hospital Ibn Sina Rabat Morocco.


In the literature, 51 cases of primary retroperitoneal mucinous cystadenocarcinoma have been published. We report the fourth case occurring in a male patient. The 42-year-old patient presented with multiple retroperitoneal cystic masses causing abdominal discomfort without alteration of the global clinical state. The masses were totally removed by a two-stage surgery. No other treatment has been introduced. After a follow-up of 6 months, the patient is disease-free. This rare tumor most likely arises from the mucinous metaplasia of peritoneal inclusion cysts rather than from ectopic ovarian tissue or ovarian teratomas. The occurrence of such a tumor in a male patient supports this theory. Preoperative diagnosis is mostly difficult. Clinical behavior and treatment are still controversial.

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