Bladder mass “collagenoma”

Abstract

Large bladder masses are typically found to be malignant in nature. We present a case of a large bladder neck mass as a result of previous imprecise collagen injection for urethral bulking. The patient was successfully treated as an outpatient with transurethral excision of the collagen mass combined with post-operative anticholinergic therapy.

Urethral bulking agents for female stress urinary incontinence

“…Other complications include temporary urinary retention, urge incontinence and transient haematuria . More rarely complications can include urethral mucosal prolapse, foreign body granulomas, bladder masses and urethral outlet obstruction . Overall, several studies have concluded that UBAs have a good safety profile, with low complication rates …”