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  • Title: Cystic mucinous tumors of the urachus: carcinoma in situ or adenoma of unknown malignant potential?
    Author: Fahed AC, Nonaka D, Kanofsky JA, Huang WC.
    Journal: Can J Urol; 2012 Jun; 19(3):6310-3. PubMed ID: 22704322.
    Abstract:
    Mucinous cystadenocarcinomas of the urachus are rare. Mucinous benign or premalignant tumors are even rarer, yet pose a challenge in diagnosis and management. We report a case of a 66-year-old man with lower abdominal pain who had a large cystic tumor at the dome of the bladder. En-bloc resection of the tumor with partial cystectomy revealed mucinous cystadenocarcinoma in situ. We reviewed the characteristics of all seven previously reported cases. These tumors are pre-malignant and can cause significant morbidity and mortality. They need to be treated similar to conventional mucinous cystadenocarcinoma by wide surgical resection and partial cystectomy.
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