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Diagnostic ultrasound ( PDFDrive )

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CHAPTER 19 The Thyroid Gland 703

A

B

C

D

FIG. 19.16 Papillary Carcinoma: Power Doppler Appearances. Blood low within cancer is often, but not always, increased. (A) Longitudinal

image shows 1.5-cm nodule with a thick, irregular halo. (B) Power Doppler image shows that nodule is hypervascular and has low in the center

and at the periphery. (C) Longitudinal image shows hypoechoic nodule with microcalciications. (D) Power Doppler image shows no blood low

within the cancer.

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