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WHO Classification of Tumours
Adenosquamous carcinoma


The histology is characterized by and admixture of tumour areas with glandular and squamous differentiation. The adenocarcinoma component forms ductal or glandular structures with focal to abundant intraand/ or extracellular mucin. Squamous differentiation is characterized by an infiltrating sheet-like arrangement of polygonal cells with distinct cellular borders, prominent intracellular junctions, hard eosinophilic cytoplasm and varying degrees of keratinization
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Bosman FT, Carneiro F, Hruban RH, Theise ND (Eds.)
WHO Classification of Tumours of the Digestive System.
4th Edition
International Agency for Research on Cancer: Lyon 2010


Adenosquamous carcinoma
Adenosquamous carcinoma