hurthle cell neoplasm prognosishurthle cell follicular neoplasmhurthle cell neoplasm of thyroidfollicular neoplasm hurthle cell typehurthle cells found in thyroid biopsyhurthle cell carcinomahurthle neoplasmhurthle cell hyperplasiahurthle cell tumorhurthle cell carcinoma pathologyhurthle cell carcinoma recurrencehurthle cell carcinoma thyroid