case_images: PMC4366985_01
case_images: Purple discolouration of urine bag and catheter
case_images: JFMPC-4-130-g001.jpg
case_images: PMC4366985_01_JFMPC-4-130-g001.jpg
case_images: F1
case_images: We encountered an 83-year old male with the history of benign enlargement of prostate and chronic renal failure on long-term catheterization who presented with purple discoloration of his urine bag and catheter [Figure 1].