Figure 1From: Medullary and papillary carcinoma of the thyroid gland occurring as a collision tumor with lymph node metastasis: A case report Sheet of polygonal cells with round to elongated nuclei and clumped chromatin embedded in amorphous eosinophilic material, adjacent to normal thyroid follicles (hematoxylin and eosin [H&E] ×100).Back to article page