[Inverted urothelial papilloma of the bladder in an adolescent]

Inverted urothelial papilloma is a very rare neoplasm in the pediatric population. Because of the low incidence of cases and the reports of atypical components, the management and follow-up plan is not standardized.

To report a case of inverted papilloma in a female adolescent and to review the diagnostic approach, management, and follow-up plan for this entity.

We reported a case of inverted papilloma as an incidental finding of a polypoid lesion on bladder ultrasound in a 13-year-old adolescent. Endoscopic resection was performed, and the histopathological analysis was compatible with inverted urothelial papilloma. The patient remains asymptomatic, with no evidence of recurrence after 3 years of ultrasound follow-up.

This case supports the benign beha vior of inverted papilloma, highlighting the importance of a correct histopathological diagnosis for the decision to carry out a non-invasive ultrasound follow-up.