Abstract
Macroplastique is an injectable urethral bulking agent used in stress incontinence. There is a paucity of studies beyond five years of follow-up looking into the long-term side effects of injecting this material. Here we present a female patient, who had Macroplastique injected multiple times 20 years ago for stress incontinence, and who presented with significant storage symptoms and non-visible haematuria. The symptoms were due to migration of Macroplastique and erosions, which looked like bladder tumour. Magnetic resonance imaging (MRI) scan showed circumferential migration of the Macroplastique material, mimicking the appearance of a ‘Mickey Mouse’.
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