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A 4-year-old girl with a history of urinary incontinence without urgency, and eight non-febrile episodes of urinary tract infections (UTIs) during the last 6 months commenced treatment with oxybutynin, after normal cystography and a renal ultrasound that showed bladder wall thickening, with normal-sized kidneys and ureters. She also had a history of constipation.
She presented 15 days later with acute urinary retention. On the day of presentation, the patient was passing only small volumes of urine despite a pelvic ultrasound showing about 500 mL of urine in the bladder (overflow incontinence). Physical and neurological examinations were unremarkable. Creatinine and blood pressure were normal.
Foley catheter was placed to obtain bladder voiding. Uroflowmetry was not performed because the patient was not able to obtain a spontaneous and recordable micturition. Oxybutynin therapy was stopped and constipation was treated with macrogol.1 …
Contributors PM conceived the idea; PM and DC took the lead in writing the manuscript; MC performed and interpreted the magnetic resonance exam; SG, GI and AA contributed to the final version of the manuscript; and ALM and EMdG supervised the project.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.
Patient consent for publication Parental/guardian consent obtained.
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