Nests of tumor have small cells at the edge and larger, more differentiated cells with more cytoplasm centrally. Intercellular bridges (desmosomes) or keratin pearls (arrow) must be present for diagnosis.
Tumors
Squamous carcinoma
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Nests of tumor have small cells at the edge and larger, more differentiated cells with more cytoplasm centrally. Intercellular bridges (desmosomes) or keratin pearls (arrow) must be present for diagnosis. | ||||||
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Intercellular bridges are present between tumor cells (area below arrow). | ||||||
