Head and Neck Adamantinoma-Like Ewing Sarcoma - CISMeF
Head and Neck Adamantinoma-Like Ewing SarcomaNCIt concept
Preferred Label : Head and Neck Adamantinoma-Like Ewing Sarcoma;
NCIt synonyms : Head and Neck ALES;
NCIt definition : An exceedingly rare variant of Ewing sarcoma with epithelial differentiation that
resembles carcinoma and arises from the head and neck. Morphologically, it is characterized
by the presence of nests of basaloid cells, tumor cell palisading, myxoid or hyalinized
stroma, focal keratin pearl formation, and high-grade features with minimal pleomorphism.
It most often arises from the salivary glands, thyroid gland, and sinonasal tract.;