alexa Pseudomyxoma peritonei and the urinary tract: involvement and treatment related complications.


Archives of Surgical Oncology

Author(s): Smeenk RM, Bex A, Verwaal VJ, Horenblas S, Zoetmulder FA

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BACKGROUND: Pseudomyxoma peritonei (PMP) is a rare clinical syndrome characterized by intraperitoneal accumulation of mucus produced by neoplastic cells of mostly appendiceal origin. The aim of this study was to analyze primary and secondary involvement and treatment-related complications of the urinary tract in PMP.

METHODS: A retrospective study of 92 patients with PMP, treated by cytoreduction and intraoperative hyperthermic intraperitoneal chemotherapy (HIPEC) at The Netherlands Cancer Institute between 1996 and 2004.

RESULTS: Seven patients presented with involvement of the urinary tract. Major urologic complications occurred in five patients, of which two had secondary involvement of the urinary tract. Major urologic complications consisted predominantly of surgical complications related to the bladder. All patients with secondary involvement and/or urologic complications had undergone previous pelvic surgery.

CONCLUSIONS: The urinary tract is rarely involved in patients with PMP. Secondary involvement is mostly observed and may be a result of seeding of PMP of pelvic origin after prior pelvic surgery. There is a low urologic complication risk of treatment with cytoreduction and HIPEC. The combination of secondary involvement and previous pelvic surgery is an omen of treatment-related urologic complications, necessitating (surgical) re-interventions and further management in close collaboration with urologists.

This article was published in J Surg Oncol and referenced in Archives of Surgical Oncology

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