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Inflammatory Pseudotumour of the Bladder: A Case Report

Inflammatory pseudotumour (IPT) is a rare proliferative lesion that can occur in both children and adults. It may be locally aggressive and can be localized to the lungs (1–3), liver (4, 5) or genitourinary tract (6–8). Clinically and radiologically, IPT simulates a malignant tumour and histopathologically can even be mistaken for a neoplastic lesion. The recommended management of most cases is local excision of the IPT and a close follow-up. We describe an IPT of the bladder in a 45-year-old man, who presented with sudden onset of gross, painless haematuria and a large polypoid and ulcerated bladder mass found at endoscopy. Initial pathological analysis was interpreted as interstitial cystitis with a Hunner’s ulcer, but subsequent reviews were consistent with a benign process resembling IPT of the bladder. After incomplete transurethral resection, a partial cystectomy was carried out. No recurrences were seen at follow-up examinations 12 months after surgery.