PMC3897038_01
Primary transitional cell carcinoma of the bladder invading muscle
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F1
Histopathology confirmed muscle-invasive TCC (pT2) [Figure 1].
Metastatic inguinal lymph node of bladder cancer showing glandular differentiation (hematoxylin and eosin, x400)
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F2
Excisional biopsy was taken from the left inguinal region which was reported as adenocarcinoma, including transitional cell variants [Figure 2].
Positive cytokeratine 7 staining in the metastatic lymph node (immunohistochemistry, x100)
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F3
Tumor cells were positive for Cytokeratin CK7 [Figure 3] and negative for CK20.