Additional file 4.

OSCC with sarcomatoid component, Case 1. A, Slide overview and magnified insert illustrate the morphology of the primary tumor in case #1 (haematoxylin & eosin). B, Staining with AE1/AE3 cytokeratin cocktail results in strong labeling of the squamous component (arrow), weak-absent labeling of the sarcomatoid component (arrowheads) and absence of labeling in the stroma (asterisk).

Format: TIFF Size: 7.4MB Download file

Schwock et al. BMC Clinical Pathology 2010 10:1   doi:10.1186/1472-6890-10-1