Hürthle cell adenoma

Hürthle cell adenoma /hirt′lə, ho̅o̅rth″lē/ [Karl W. Hürthle, German histologist, 1860–1945] , a benign tumor of the thyroid gland composed of large cells with granular eosinophilic cytoplasm (Hürthle cells). Compare Hürthle cell carcinoma.