Case history:
A 26-year-old gelding presented signs of dysuria and a few hours later,
signs of abdominal pain, not responding to the administration of
metamizole. The gelding had a history of urinary incontinence in the
last 6 years and also had a history of urolithiasis. There was no
previous history of colic. He was referred to the hospital for further
investigation of the colic with associated dysuria.