Hürthle Cell Tumors

Abstract
Hürthle cells (Askanazy cells, oxyphilic cells) are thyroglobulin-producing, mitochondria-rich, thyroid epithelial cells.1 They are found in a variety of thyroid conditions, including Hashimoto thyroiditis, Graves disease, nodular goiters, and thyroid neoplasms.2,3 Oxyphilic change has also been described in parathyroid, pancreatic, hepatic, renal, pituitary, and salivary gland tissue.3
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