Abstract
Thyroid carcinomas represent 3.2% of all new cases of cancer in the United States. Whereas most thyroid tumors arise from follicular cells or, less commonly, parafollicular cells, the derivation of some rare primary thyroid carcinoma subtypes is less clear and represents an area of evolving knowledge. Primary thyroid carcinomas that resemble neoplasms characteristic of the salivary glands (“salivary-like” primary thyroid carcinomas) arguably represent some of the most unusual primary thyroid tumors. Herein, we have undertaken a review of the literature in order to present a comprehensive overview of salivary-like primary thyroid carcinomas including: mucoepidermoid carcinoma, sclerosing mucoepidermoid carcinoma with eosinophilia, and secretory carcinoma. Awareness of these unusual, distinct primary tumors is important for timely diagnosis and optimal patient management. This review highlights these three salivary-like carcinomas, with special emphasis on developments since publication of the World Health Organization (WHO) 2017 Classification of Tumours of Endocrine Organs.
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Online Resource 1: Published Cases of Mucoepidermoid Carcinoma. Legend for Online Resource 1: F = female. M = male. NA = not available. PTC = papillary thyroid carcinoma. FTC = follicular thyroid carcinoma. AWD = alive with disease. ANED = alive, no evidence of disease. DOD = dead of disease. TG = thyroglobulin. PAS-alc = periodic acid-Schiff with alcian blue. NOS = not otherwise specified. Italics indicate disease progression or recurrence after initial treatment. (PNG 2214 kb)
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Online Resource 2: Sclerosing Mucoepidermoid Carcinoma with Eosinophilia. Legend for Online Resource 2: F = female. M = male. NA = not available. PTC = papillary thyroid carcinoma. AWD = alive with disease. ANED = alive, no evidence of disease. DOD = dead of disease. TG = thyroglobulin. PAS-alc = periodic acid-Schiff with alcian blue. NOS = not otherwise specified. Italics indicate disease progression or recurrence after initial treatment. (PNG 2263 kb)
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Online Resource 3: Published Cases of Secretory Carcinoma.Legend for Online Resource 3: F = female. M = male. NA = not available. PTC = papillary thyroid carcinoma. AWD = alive with disease. ANED = alive, no evidence of disease. DOD = dead of disease. TG = thyroglobulin. PAS-alc = periodic acid-Schiff with alcian blue. AR = androgen receptor. NOS = not otherwise specified. Italics indicate disease progression or recurrence after initial treatment. (PNG 1145 kb)
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Chambers, M., Nosé, V., Sadow, P.M. et al. Salivary-Like Tumors of the Thyroid: A Comprehensive Review of Three Rare Carcinomas. Head and Neck Pathol 15, 212–224 (2021). https://doi.org/10.1007/s12105-020-01193-5
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DOI: https://doi.org/10.1007/s12105-020-01193-5