PMC4195399_01
Focal metastatic colonization of the pericystic lymph node.
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fig1
Two lymph nodes measuring about 4 mm were isolated from the surgical specimen: the analysis of one lymph node revealed focal metastatic deposits of neoplastic cells (Figure 1), whereas in the other one no deposits of tumor cells were found.
Positivity of the tumor to the immunohistochemical staining for chromogranin.
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fig2
Immunohistochemical studies revealed cells strongly positive for chromogranin (Figure 2) and synaptophysin (Figure 3) and negative for thyroid transcription factor-1.
Positivity of the tumor to the immunohistochemical staining for synaptophysin.
CRIS2014-945921.003.jpg
PMC4195399_01_CRIS2014-945921.003.jpg
fig3
Immunohistochemical studies revealed cells strongly positive for chromogranin (Figure 2) and synaptophysin (Figure 3) and negative for thyroid transcription factor-1.