Impacted calculus in prostatic urethra
The patient presented with inability to pass urine for last 18 hours - suggestive of acute urinary retention. No history of abdominal pain, haematuria or trauma.
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Transrectal ultrasound study shows echogenic calculus in the prostatic urethra with distal acoustic shadowing. The proximal portion of the urethra is dilated. The calculus measures 6 x 6 x 9 mm.
Urethral calculi are most frequently found in the prostatic urethra which is more distensible than the distal narrow membranous portion. These are either native - formed in the prostatic urethra or migrated from the upper urinary tract.
The patients with urethral calculi may be completely asymptomatic or may have symptoms of varying severity ranging from haematuria, burning sensation in the urethra on urination, interruption of the urinary stream, pain to acute urinary retention.
- Prabhuswamy VK, Tiwari R, Krishnamoorthy R. A giant dumbbell shaped vesico-prostatic urethral calculus: a case report and review of literature. Case Rep Urol. 2013;2013: 167635. doi:10.1155/2013/167635 - Free text at pubmed - Pubmed citation
- Demir O, Kefi A, Cahangirov A et-al. The giant calculus within the prostatic urethra. Urol. Res. 2011;39 (4): 319-21. doi:10.1007/s00240-010-0350-x - Pubmed citation