Figure 5From: Thyroid cancer causing obstruction of the great veins in the neck(Case 4). 5a) Large, partially endothelialised direct extension of follicular carcinoma, attached to vessel wall (haematoxylin and eosin × 200). 5b) Follicular carcinoma abutting wall of internal jugular vein (haematoxylin and eosin × 40).Back to article page