Diagnosis, Surgical Treatment, Recovery, and Eventual Necropsy of a Leopard (Panthera pardus) with Thyroid Carcinoma
Figure 2
Mediastinal mass excised during sternotomy. Ectopic thyroid carcinoma characterized by neoplastic polygonal cells supported by a fine fibrovascular stroma and frequently arranged in follicular structures filled with colloid (asterisk). Numerous mitotic figures (arrows) are present throughout this neoplastic cell population. H&E stain (400x).