case_images: PMC3897039_01
case_images: Nested appearance of tumor cells with overlying bladder mucosa (x400)
case_images: IJU-30-105-g001.jpg
case_images: PMC3897039_01_IJU-30-105-g001.jpg
case_images: F1
case_images: Microscopy revealed a polyp covered by unremarkable epithelium [Figures 1 and 2].
case_images: Tumor nests with atypical stromal cells in the background (x00)
case_images: IJU-30-105-g002.jpg
case_images: PMC3897039_01_IJU-30-105-g002.jpg
case_images: F2
case_images: Microscopy revealed a polyp covered by unremarkable epithelium [Figures 1 and 2].
case_images: CKAE1AE3 highlighting the nests of tumor cells. Atypical stromal cells are negative. (x400)
case_images: IJU-30-105-g003.jpg
case_images: PMC3897039_01_IJU-30-105-g003.jpg
case_images: F3
case_images: The hyalinized vascular stroma was interspersed with many multinucleated bizarre stromal cells [Figure 3].
case_images: p53 positivity in tumor nests (x400)
case_images: IJU-30-105-g004.jpg
case_images: PMC3897039_01_IJU-30-105-g004.jpg
case_images: F4
case_images: Immunohistochemisty showed the cells strongly positive for pankeratin (CK AE1/AE3) [Figure 4] and high molecular weight keratin (34BE12), which confirmed their epithelial nature.
case_images: 34Be12 positive in tumor nests (x400)
case_images: IJU-30-105-g005.jpg
case_images: PMC3897039_01_IJU-30-105-g005.jpg
case_images: F5
case_images: The cells were also positive for p53 expression [Figure 5] and ki 67 index was high (50% approx.), predicting an aggressive course of the tumor.