case_images: PMC4327402_01
case_images: CT scans. a The tumor has spread into the deep bladder wall layer. b The arrow indicates external iliac lymph node swelling.
case_images: cro-0008-0015-g01.jpg
case_images: PMC4327402_01_cro-0008-0015-g01.jpg
case_images: F1
case_images: Computed tomography (CT) showed thickening and irregularity of the whole bladder, with left external iliac lymph node metastasis (fig. 1).
case_images: Pathological findings. a The tumor cells have a clear nuclear body and karyomitosis. They show a syncytial pattern and are surrounded by infiltrated lymphocytes. Hematoxylin-eosin staining. x400. b The tumor cells and stromal lymphocytes are not stained by EBER1. Immunohistochemical staining. x400. c The stromal lymphocytes are stained by CD3. Immunohistochemical staining. x100. d The tumor cells are stained by cytokeratin AE1/AE3. Immunohistochemical staining. x200.
case_images: cro-0008-0015-g02.jpg
case_images: PMC4327402_01_cro-0008-0015-g02.jpg
case_images: F2
case_images: The infiltrating lymphocytes were stained by CD3 and CD20 (fig. 2).