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Case Reports in Nephrology
Volume 2015, Article ID 746981, 3 pages
http://dx.doi.org/10.1155/2015/746981
Case Report

Purple Urine Bag Syndrome in Two Elderly Men with Urinary Tract Infection

1Department of Nephrology, Dialysis and Renal Transplantation, University Hospitals Leuven, Herestraat 49, 3000 Leuven, Belgium
2Department of Microbiology and Immunology, KU Leuven, Minderbroedersstraat 10, 3000 Leuven, Belgium

Received 26 July 2015; Accepted 11 August 2015

Academic Editor: Ze’ev Korzets

Copyright © 2015 Jan Van Keer et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purple urine bag syndrome is a rare condition in which purple discoloration of urine inside its collection bag occurs. We describe two illustrative cases. The first patient is an 81-year-old man who was hospitalized for a newly diagnosed lymphoma with acute obstructive renal failure for which a nephrostomy procedure was performed. During the hospitalization, a sudden purple discoloration of the suprapubic catheter urine was noted, while the nephrostomy urine had a normal color. Urine culture from the suprapubic catheter was positive for Pseudomonas aeruginosa and Enterococcus faecalis; urine from the nephrostomy was sterile. The second case is an 80-year-old man who was admitted for heart failure with cardiorenal dilemma and who was started on intermittent hemodialysis. There was a sudden purple discoloration of the urine in the collection bag from his indwelling catheter. He was diagnosed with an E. coli urinary infection and treated with amoxicillin and removal of the indwelling catheter. These two cases illustrate the typical characteristics of purple urine bag syndrome.