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Fig. 4 | BMC Medical Imaging

Fig. 4

From: Superb microvascular imaging (SMI) compared with conventional ultrasound for evaluating thyroid nodules

Fig. 4

A papillary thyroid carcinoma (➔) and an adenoma () coexist in the right lobe. a CDI and b PDI show peripheral vascularization and peripheral interrupted vascularization of the nodule and internal microvascularization. c Color SMI and d monochrome SMI show more vascularization, in particular curved and ring peripheral vascularization surrounding the nodule as well as internal microvascularization with small branching details. e Pulsed Doppler (guided by monochrome SMI) established that the small branching microvasculature was real and measurable. f CEUS shows disordered heterogeneous hypoechoic enhancement with incomplete peripheral enhancement (➔) and ring enhancement around the nodule and homogeneous hyperechoic internal enhancement ().

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