case_images: PMC10758899_01
case_images: (a) Cystoscopy of the broad-base non-papillary bladder tumor. (b) Narrow band imaging of the bladder tumor.
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case_images: PMC10758899_01_IJU5-7-42-g002.jpg
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case_images: Cystoscopy revealed a broad-base nonpapillary bladder tumor (Fig. 1a,b).
case_images: (a) Urothelial carcinoma. (b) Condyloma acuminatum. Papillary proliferation of squamous epithelium is observed (4x). (c) Koilocytosis of the condyloma acuminatum (40x). (d) In situ hybridization signals for HPV DNA of condyloma acuminatum.
case_images: IJU5-7-42-g001.jpg
case_images: PMC10758899_01_IJU5-7-42-g001.jpg
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case_images: Transurethral resection of the bladder tumor was performed, and histopathologic examination revealed high-grade, pT1 urothelial carcinoma (Fig. 2a). Binucleated cells and koilocytosis were observed, which may correspond to condyloma acuminatum (Fig. 2b,c). HPV11 was detected in condyloma using PCR and in situ hybridization, whereas HPV was not detected in urothelial carcinoma (Fig. 2d).