Mucoepidermoid carcinoma is morphologically characterized the presence of cuboidal mucous cells, goblet-like mucous cells, squamoid cells, cystic changes, and a fibrotic stromal formation. It is classified as low or high grade.
In the esophagus, this tumour is rare, with a typical mixture of squamous cells, mucus-secreting cells and cells of an intermediate type
Tamura S, Kobayashi K, Seki Y, Matsuyama J, Kagara N, Ukei T, Uemura Y, Miyauchi K, Kaneko T (2003)
Mucoepidermoid carcinoma of the esophagus treated by endoscopic mucosal resection.
Dis Esophagus 16: 265-7
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WHO Classification of Tumours of the Digestive System.
International Agency for Research on Cancer: Lyon 2010