Two female intact Labrador Retriever dogs (6 and 3 months of age, respectively) presented with a history of urinary incontinence. In both dogs, abdominal ultrasound revealed evidence of a unilateral ectopic ureterocele. Diagnosis of ureteral ectopia was established urethrocystoscopically by visualization of the ureteral orifice in the urethra, and an intramural course was confirmed via retrograde contrast fluoroscopy. Ectopic ureteral orifices were stenotic in both dogs. Cystoscopic- and fluoroscopic-guided laser ablation of the ectopic ureter were performed with a Hol:YAG laser. Following the procedure, both dogs were fully continent without any medical treatment. Cystoscopic- guided laser ablation of ureteroceles was effective and safe in these 2 dogs. Thus, this minimally invasive technique for the treatment of ectopic ureteroceles provides an alternative to surgical intervention.
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