Consecutively operated patients with autoimmune thyroid disease - case 37 (conp 033) (ultrasonographic picture 8)

Left lobe, transverse scan, color Doppler mode. This pattern pretends as to the nodule had perinodular blood flow, while in fact only the extranodular part of the lobe presents markedly increased vascularization. The nodule displays neither perinodular nor intranodular blood flow.