Abstract:A 15-year-old man presented with painless, gross hematuria. Excretory pyelography showed a filling defect in the bladder and ultrasonography revealed a solitary bladder tumor. Cystoscopy showed a solitary, papillary tumor on the bladder neck. Transurethral resection was then performed and histological examination showed an inverted papilloma. In addition, the expression of proliferative cellular nuclear antigen and p53 in the surgical specimen were 37.1 and 0%, respectively. Since an inverted papilloma arising… Show more
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