Research Article

Parathyroid Gland Involvement by Thyroid Cancer: Results from a Large Series of Thyroidectomies Performed in Two Italian University Hospitals and Review of the Literature

Figure 2

(a) Papillary thyroid carcinoma invading the parathyroid gland by a pattern A infiltration (Haematoxylin & Eosin stain, ×20). (b) Papillary thyroid carcinoma (on the right) invading a parathyroid gland by a pattern B infiltration. The parathyroid is located outside the thyroid capsule, which is separated from by an intervening fibrous capsule (arrow) (Haematoxylin & Eosin stain, ×20).
(a)
(b)