case_images: PMC3234019_01
case_images: 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.
case_images: can-4-197f1.jpg
case_images: PMC3234019_01_can-4-197f1.jpg
case_images: f1-can-4-197
case_images: Enlarged lymph nodes were present on both sides of the neck (Figure 1).
case_images: Cytology.
case_images: can-4-197f2.jpg
case_images: PMC3234019_01_can-4-197f2.jpg
case_images: f2-can-4-197
case_images: The nests of epithelial tumour cells were associated with a dense and accentuated lymphoid infiltrate (Figure 2).
case_images: Cytokeratin and EMA immunohistochemistry positive.
case_images: can-4-197f3.jpg
case_images: PMC3234019_01_can-4-197f3.jpg
case_images: f3-can-4-197
case_images: Immunohistochemical examination revealed strong immunoreactivity for cytokeratins and epithelial membrane antigen (EMA) (Figure 3), and negativity for vimentin, CD3 and CD20 (Figure 4).
case_images: Vimentin and lymphoid markers immunohistochemistry negative.
case_images: can-4-197f4.jpg
case_images: PMC3234019_01_can-4-197f4.jpg
case_images: f4-can-4-197
case_images: Immunohistochemical examination revealed strong immunoreactivity for cytokeratins and epithelial membrane antigen (EMA) (Figure 3), and negativity for vimentin, CD3 and CD20 (Figure 4).