Woman
60yo with small skin tumor at righ antebrachial region which
appeared 40 years ago, but now changing the color in black skin without pain, and hard in palpation.
(see foto).
Ultrasound
of this tumor with 12 MHz linear probe.
US
1: this tumor is underskin cover with strong attenuation. Size of 1 cm.
US2
: in CDI with very little small vascular signals.
US3:
Changing of angle of the probe, this
tumor is very high colored like artifact.
US4:
In this angle twingling
artefact appeared very strong.
Video
represented twingling color of this tumor.
Operation
with local anesthesia removed this mass that is metalic object.
Summary=
It is a foreign body made of metal which was under skin for a long time made strong twingling Doppler artifact.
Reference: Twinkling artifact on color doppler sonography. AJR 2003,180:215-220.
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