An Unusual Simultaneous Existence of Parathyroid Carcinoma and Papillary Thyroid Carcinoma: Case Report and Review of Literature

Figure 4

(a) Histology appearance of parathyroid carcinoma in transition with papillary thyroid carcinoma removed from the left thyroid lobe. The neoplastic cells are represented by the monomorphic cellular proliferation with discrete atypia and mitosis (hematoxylin-eosin stain original magnification ×4). (b) Histopathologic section demonstrating capsular invasion and (c) vascular invasion (hematoxylin-eosin stain original magnification ×10).