A Hürthle cell (also known, incorrectly as Askanazy cell. Askanazy cells are interfollicular C-cells) is an oncocytic cell in the thyroid that is often associated with Hashimoto's thyroiditis as well as follicular thyroid cancer.
HistologyHürthle cells are characterized as enlarged epithelial cells with abundant eosinophilic granular cytoplasm as a result of altered mitochondria.[1] They generally stain pink and are prominently found in histological sections of thyroid glands affected with Hashimoto's. Clinical significanceA Hürthle cell adenoma is a well-differentiated type of follicular thyroid adenoma (benign tumor) that, in rare cases, has the potential to become malignant and metastasize (Hürthle cell carcinoma). EponymIt is named for Karl Hürthle.[2][3] See alsoReferences
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