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Pediatric Bladder Tumors: A Ten-Year Retrospective Analysis

      Abstract

      Objective

      To present our experience in a single pediatric urology practice over a 10-year period with bladder tumors in the pediatric population in an effort to add to the relatively small amount of existing data. We hope to expand the community's knowledge of presentations, management and natural history of pediatric bladder tumors.

      Methods

      We retrospectively queried our electronic medical records for International Classification of Diseases, Tenth Revision (ICD-10) and Current Procedural Terminology (CPT) codes relevant for bladder tumors. Patients with underlying bladder pathology, such as neurogenic bladder, history of bladder exstrophy, and history of bladder augmentation, were excluded.

      Results

      We identified 30 patients with bladder tumors from 2011 to 2021. There were 21 males and 9 females. Age at diagnosis ranged from 16 months to 19 years. Tumors identified were: 11 of various inflammatory subtypes; 4 papillomas; 4 rhabdomyosarcomas; 3 papillary urothelial neoplasms of low malignant potential and 8 of other types. Treatment included transurethral resection of bladder tumor, chemoradiation and laparoscopic partial cystectomy. Twenty nine patients had disease limited to the bladder and 1 had disease outside the bladder. Follow-up ranged from 2 weeks to 13 years (median 19 months). All patients had no evidence of disease at most recent follow-up.

      Conclusion

      Pediatric bladder tumors range from aggressive rhabdomyosarcomas to more benign urothelial lesions. Fortunately, the latter type of tumor is the more prevalent lesion. Knowledge of the treatment options and natural history of these tumors will hopefully be of benefit to clinicians and parents alike.

      Abbreviations:

      PUNLMP (Papillary Urothelial Neoplasm of Low Malignant Potential), RMS (Rhabdomyosarcoma), SEER (Surveillance, Epidemiology and End Results), ICD-10 (International Classification of Diseases, Tenth Revision), CPT (Current Procedural Terminology), TURBT (Transurethral Resection of Bladder Tumor)
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