Fig. 3From: A rare case of poorly differentiated thyroid carcinoma probably arising from a nodular goiterMicroscopic appearance of a nodule in thyroid tissue. A widely invasive, cellular tumor (asterisks), with a nodular goiter (arrowhead) within a nodule partially encapsulated by a thick fibrous capsule (cap) was noted. (hematoxylin and eosin, ×1.25)Back to article page