Figure 2.

Left panel (enlargement 10×): undifferentiated carcinoma with poorly squamous differentiation (bottom right) very near to a typical Warthin's tumour (upper left). The arrows indicate the transition zone from a benign to malignant neoplasm. Right panel (enlargement 40×): detail of the malignant area. Hematoxylin and eosin stains.

Ferrero et al. BMC Surgery 2003 3:1   doi:10.1186/1471-2482-3-1
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