PMC5203876_01
Immunohistochemical examination showing positivity for CK20 and CDX2 and negativity for CK7, PSA, and NKX3.1.
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fig1
The tumor was found to be positive for CK20, CDX2, and EMA but negative for PSA, NKX3.1, and CK7 (Figure 1).
MRI scan section: the MRI scan revealed vesical thickened walls, more evident in the lower third of the bladder, associated with an exophytic lesion.
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fig2
MRI of the abdomen and pelvis showed retroperitoneal, iliac, and aortic-iliac lymph nodes increased in volume. Moreover the MRI confirmed the bladder thickening, more evident in the lower third of the bladder where it was associated with an exophytic lesion (Figure 2).