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Epidermoid carcinoma arising in Warthin's tumour: a case study
Author(s) -
Skálová Alena,
Michal Michal,
Nathanský Zdeněk
Publication year - 1994
Publication title -
journal of oral pathology and medicine
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.887
H-Index - 83
eISSN - 1600-0714
pISSN - 0904-2512
DOI - 10.1111/j.1600-0714.1994.tb00070.x
Subject(s) - epidermoid carcinoma , pathology , stroma , immunohistochemistry , carcinoma , epidermoid cyst , parotid gland , differential diagnosis , metastasis , medicine , cancer
We present a case of epidermoid carcinoma arising in Warthin's tumour of parotid gland in an 80–year‐old woman. Light microscopy revealed small foci typical of benign Warthin's tumour with transition to epidermoid carcinoma. Immunohistochemical and ultrastructural observations confirmed the epidermoid features of the malignant cells. The differential diagnosis of a metastasis from an epidermoid carcinoma to the stroma of Warthin's tumour and also of the so‐called metaplastic variant of Warthin's tumour is discussed.