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First published online August 6, 2007
British Journal of Radiology (2007) 80, 625-630
© 2007 British Institute of Radiology
doi: 10.1259/bjr/69016171
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Reference values for Doppler ultrasound parameters of the thyroid in a healthy iodine-non-deficient population

T A A Macedo, MD 1 M C Chammas, MD, PHD 1 P T Jorge, MD, PHD 2 L Pereira de Souza, MD 3 L Farage, MD 3 B L Pegoraro, MD 3 S U Pessa 1 and G G Cerri, MD, PHD 1

1 Division of Ultrasound of the Hospital das Clínicas da Faculdade de Medicina da Universidade de São Paulo – Instituto de Radiologia, Av. Dr. Enéas de Carvalho Aguiar, 255, 3° andar, São Paulo, SP, Brazil, CEP 0503-001, 2 Division of Endocrinology, 3 Division of Radiology of the Hospital de Clínicas da Universidade Federal de Uberlândia – Departamento de Clínica Médica, Av. Pará, 1720, Uberlândia, MG, Brazil, CEP 38405-320


Figure 1
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  		Figure 1. Amplitude colour Doppler obtained correctly without compression(a) and improperly with compression (b), which underestimates the vascularization.

 

Figure 2
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  		Figure 2. Software interface used to measure the thyroid colour pixel density(CPD). The area of interest was delimited (green solid trace) by the user.

 

Figure 3
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  		Figure 3. Duplex-colour Doppler of the superior thyroid artery with the probe positioned in the oblique sagittal plane.

 

Figure 4
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  		Figure 4. Duplex-colour Doppler of the inferior thyroid artery with the probe positioned in the oblique transversal plane.

 

Figure 5
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  		Figure 5. Colour Doppler of the thyroid superior third demonstrating a superior thyroid artery branch(arrow) to muscular structures and the larynx.

 




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