RT Journal A1 Jones CH, Andrews C T1 PIcture of the month—quiz case JF Archives of Pediatrics & Adolescent Medicine JO Archives of Pediatrics & Adolescent Medicine YR 2005 FD December 1 VO 159 IS 12 SP 1127 OP 1128 DO 10.1001/archpedi.159.12.1127 UL http://dx.doi.org/10.1001/archpedi.159.12.1127 AB A male infant was born following a vaginal delivery. A scalp electrode was used during the labor. Shortly after birth, a scalp abnormality was observed (Figure). There were 2 lesions measuring 1 × 1 cm and 2 × 1.5 cm. On examination, there was mild facial asymmetry and a small discrepancy in ear size. No further gross abnormalities were observed. No murmur was appreciated on auscultation. The neurologic examination revealed normal tone and no focal deficits. Head computed tomography scans indicated that the lesion progressed into the periosteum. There were no structural brain abnormalities. Blood chromosomes were normal, 46,XY.