An Unexpected Cranial Ultrasound Image

A 13-day-old infant born at 39 weeks’ gestation presents to the outpatient clinic with a previously diagnosed cephalohematoma that was increasing in size. Head ultrasonography showed an unexpected finding (Fig 1). Figure 1. Hypoechoic image in the pericerebral space. ### Prenatal and Birth Histories ### Presentation At 24 hours of age, the infant was found to have a moderate cephalohematoma in the right parieto-occipital region resulting from vacuum extraction. No other abnormalities were found on physical examination. The infant was discharged from the hospital at 48 hours of age. …