[01] S. Gopalswamy, Department of Urology, Royal Cornwall Hospital, Truro, United Kingdom. [02] J. S. O’Rourke, Department of Urology, Royal Cornwall Hospital, Truro, United Kingdom. [03] J. Mathew, Department of Pathology, Royal Cornwall Hospital, Truro, United Kingdom.

Gastrointestinal stromal tumour (GIST) of the prostate is a very rare entity and only two such cases are reported in the literature. We report a case of GIST of the prostate in a 69 year old gentleman who had transurethral resection of the prostate (TURP) for benign prostatic hyperplasia (BPH) 7 years ago and subsequently presented with acute urinary retention from re-growth of the prostate. The prostate specific antigen level was 4 ug/l. The re-do TURP specimen showed the characteristic features of GIST, both microscopic and immunoprofile analysis. The possibility of secondary gastrointestinal GIST was excluded by endoscopy, imaging and tumour markers.

GIST, Prostate, Urinary Retention, Imatinib

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