Clinical cases

Hürthle Cells in Hashimoto's Thyroiditis: FNA Cytology

Cytological findings of a fine-needle aspirate of the thyroid gland in Hashimoto's thyroiditis: Hürthle cell clusters with atypia and lymphoid infiltration.

Thyroid aspirate: Hürthle cells in Hashimoto's thyroiditis, Diff-Quik, x400
Thyroid aspirate: Hürthle cells in Hashimoto’s thyroiditis, Diff-Quik, x400

❗Fine-needle aspirate of the thyroid gland from a patient with Hashimoto’s thyroiditis. 🔬Hürthle cells with some cytological atypia. A small number of scattered lymphocytes are present, which allows for a diagnosis of lymphocytic thyroiditis (Diff-Quik stain, X400).