PMC3234019_01
Axial CT scan of the neck showing a left supraclavicular mass that takes contact with the left jugular vein (narrowed and infiltrated) and the left sternocleidomastoid muscle.
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Enlarged lymph nodes were present on both sides of the neck (Figure 1).
Cytology.
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The nests of epithelial tumour cells were associated with a dense and accentuated lymphoid infiltrate (Figure 2).
Cytokeratin and EMA immunohistochemistry positive.
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Immunohistochemical examination revealed strong immunoreactivity for cytokeratins and epithelial membrane antigen (EMA) (Figure 3), and negativity for vimentin, CD3 and CD20 (Figure 4).
Vimentin and lymphoid markers immunohistochemistry negative.
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Immunohistochemical examination revealed strong immunoreactivity for cytokeratins and epithelial membrane antigen (EMA) (Figure 3), and negativity for vimentin, CD3 and CD20 (Figure 4).