PMC2905713_01
Clinical photograph of penis shows erosion of ventral surface of penis. The Foley catheter has eroded glans penis, penile skin and almost entire penile urethra.
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fig1
Ventral erosion of penis was quite extensive and included glans penis and almost the entire penile urethra (Figure 1). 
PMC2905713_02
X-ray of pelvis was taken after injecting two mL of contrast through balloon channel of Foley catheter. The Foley balloon was located in scrotum (arrow) and not inside urinary bladder.
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fig2
X-rays were taken as per the radiological technique described for demonstration of incorrect positioning of Foley catheter. X-ray of pelvis showed that balloon of Foley catheter was located in urethra and not inside urinary bladder (Figure 2).
X-ray of pelvis: twenty mL of contrast was injected thorough lumen of Foley catheter. Proximal urethra was visualised by the injected contrast (arrow) thus confirming that the tip of Foley catheter was lying in urethra and not in the bladder. There was large amount of urine retained in the bladder.
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fig3
The contrast visualised the proximal penile urethra, thus confirming that the tip of Foley catheter was lying within urethra (Figure 3).
Follow-up ultrasound of urinary bladder after inserting a 16 French Foley catheter with 20 mL balloon. The balloon of Foley catheter was located within urinary bladder (arrow), thus confirming correct placement of Foley catheter.
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fig4
French Foley catheter with 20 mL balloon was inserted. Follow-up ultrasound scan confirmed correct positioning of Foley balloon inside the urinary bladder (Figure 4).