Clinical Presentation: A 56-year-old Chinese male with previously diagnosed prostatic stromal tumour of uncertain malignant potential (STUMP) presented with urinary retention 6 years after transurethral resection of prostate (TURP). Treatment and Outcome: Cystoscopy showed a papillary tumour of the prostatic urethra causing near-complete obstruction. Repeat TURP was performed. He has been asymptomatic since. Conclusion: There has been fewer than 100 cases of this lesion reported worldwide. Definitive treatment is not well established. Long-term follow-up to monitor progression and possible recurrence is required, and repeat TURP or radical surgery may be necessary.
Prostatic stromal tumour of uncertain malignant potential (STUMP) is a rare lesion, with fewer than 100 cases reported worldwide. It is considered a neoplastic lesion possessing relatively high recurrence and progression rates. We report a case of this neoplasm, manifesting initially with gross haematuria and haematospermia, and subsequent acute urinary retention.
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