Urinary bladder calculi

Case contribution: Dr Radhiana Hassan


  • A 45 years old man
  • No known medical illness
  • Presented with recurrent hematuria for few years
  • No associated constitutional symptoms
  • Examination shows patient had prostatomegaly

Radiographic findings:

  • There is an oval-shaped well-defined opacity in the pelvic region, towards the right side measuring about 7.7 cm in its largest dimension (yellow arrow).
  • Another lesion seen partially superimposed with the other lesion measuring about 6.5 cm (red arrow)
  • No other opacity overlying the renal region or along both ureters
  • No obvious soft tissue mass lesion.
  • Both kidneys and psoas outlines are clearly seen and normal.
  • Degenerative changes of the spine.
  • Bowel loops are grossly normal in appearance

Diagnosis: Urinary bladder calculi.

Progress of patient:

  • Open vesicolithotomy done
  • Intra-operative findings: Two bladder calculi seen, hypertrophic bladder wall, no obvious bladder wall growth
  • Patient recovered well


  • Urinary bladder calculi is commonly due to urinary stasis seen in bladder outlet obstruction, cystocele or neurogenic bladder
  • On radiograph, it is densely radiopaque, may be single or multiple and are often large.
  • On ultrasound, the calculi are mobile, echogenic with posterior shadowingy. They may be associated with bladder wall thickening due to inflammation.
Author: radhianahassan