During sonographic examination, a mirror-like interface can scatter the ultrasound beam, producing mirror-image artifacts. We describe a case of bilateral parietal cephalhematoma in the parietal region of a 2-day-old neonate that mimicked bilateral epidural hematoma on routine sonographic examination. Forceps had been used during delivery, and the neonate had been experiencing episodes of apnea since birth. Gray-scale coronal sonograms showed anechoic structures resembling epidural hematomas in the left and right parietal regions. However, color and power Doppler sonography showed normal vascular findings, thus permitting identification of the mirror-image artifact.
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