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Diagnostic ultrasound ( PDFDrive )

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CHAPTER 47 Doppler Sonography of the Brain in Children 1615

LMCA

RMCA

A

B

C

D

E

F

FIG. 47.20 Arteriovenous Malformation (AVM). (A) Normal color low Doppler image of the left MCA. (B) Increased number of vessels in

the region of AVM at the right MCA. (C) TCD spectral Doppler sonogram of left MCA shows normal maximum velocity of 112 cm/sec. (D) Velocity

on the right is increased, with a maximum velocity of 232 cm/sec. (E) and (F) Anteroposterior and lateral views of an arteriogram demonstrates

the large AVM.

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