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Epithelial myoepithelial carcinoma

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Epithelial-myoepithelial carcinoma

Epithelial-myoepithelial carcinoma, abbreviated EMCa, is a rare malignant tumour that typically arises in a salivary gland and consists of both an epithelial and myoepithelial component. They are predominantly found in the parotid gland and represent approximately 1% of salivary gland tumours.



EMCas are diagnosed by examination of tissue, e.g. a biopsy.

Its appearance is very similar to adenomyoepithelioma of the breast, which may be the same tumour at a different anatomical site.

The histologic differential diagnosis includes adenoid cystic carcinoma and pleomorphic adenoma.


They generally have a good prognosis. In one larger study, the 5-year and 10-year survival were over 90% and 80% respectively.


Epithelial-myoepithelial carcinoma Wikipedia

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