Complex mucinous cystadenoma of undetermined malignant potential of the urachus

Authors

  • Andrew J. Schell Department of Pathology and Molecular Medicine, Kingston General Hospital and Queen’s University, Kingston, ON
  • Curtis J. Nickel Department of Urology, Kingston General Hospital and Queen’s University, Kingston, ON
  • Phillip A. Isotalo Department of Pathology and Molecular Medicine, Kingston General Hospital and Queen’s University, Kingston, ON

DOI:

https://doi.org/10.5489/cuaj.1139

Abstract

Urachal mucinous neoplasms are rare and include both villous
adenomas and invasive adenocarcinomas. These mucinous tumours
should be completely excised as they can demonstrate aggressive
clinical behaviour, including the development of pseudomyxoma
peritonei. We describe a 70-year-old woman who presented with
a lower abdominal mass and received a diagnosis of a rare, complex
urachal mucinous cystadenoma of undetermined malignant potential.
This tumour demonstrated extensive mucin extravasation into
perivesical soft tissue, but was not associated with pseudomyxoma
peritonei or any malignancy. Rarely described in the English literature,
mucinous cystadenomas of the urachus should be treated
similarly to their villous adenoma counterparts: with complete surgical
excision to prevent local tumour recurrences.

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Author Biographies

Andrew J. Schell, Department of Pathology and Molecular Medicine, Kingston General Hospital and Queen’s University, Kingston, ON

Curtis J. Nickel, Department of Urology, Kingston General Hospital and Queen’s University, Kingston, ON

Phillip A. Isotalo, Department of Pathology and Molecular Medicine, Kingston General Hospital and Queen’s University, Kingston, ON

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How to Cite

Schell, A. J., Nickel, C. J., & Isotalo, P. A. (2013). Complex mucinous cystadenoma of undetermined malignant potential of the urachus. Canadian Urological Association Journal, 3(4), E39-E41. https://doi.org/10.5489/cuaj.1139

Issue

Vol. 3 No. 4 (2009): CUAJ August

Section

Case Report

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