PMC3545894_01
Abdominal computed tomography showing a 6mm mass in the bladder.
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F1
A year after surgery, abdominal computed tomography (CT) revealed a mass lesion in the urinary bladder (Figure 1).
Cystoscopy showing a solitary tumor on the left wall of the bladder.
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F2
C viruses were also within normal limits. Cystoscopy revealed a solitary tumor on the left wall of the bladder (Figure 2).
Histopathological features of hepatoid adenocarcinoma of the urinary bladder. The tumor was composed of large, polygonal cells with eosinophilic cytoplasm. The cells were predominantly arranged in a trabecular pattern (hematoxylin and eosin stained specimen, x100).
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F3
The tumor cells were microscopically typed as a hepatocellular carcinoma, featuring large, polygonal cells with marked nuclear atypia and eosinophilic granular or clear cytoplasma (Figure 3).
Immunohistochemical profile of hepatoid adenocarcinoma of the urinary bladder. Intra-cytoplasmic cells positive for alpha-fetoprotein, x100.
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F4
Immunohistochemical staining test results were positive for alpha-fetoprotein (AFP) (Figure 4).