An African-American woman noticed some bruised-looking areas on her baby's buttocks. She asked the nurse if the baby was spanked at birth. The nurse explains that these marks are referred to as:
A. mongolian spots.
B. harlequin color change.
C. nevus flammeus.
D. mottling.
A
Mongolian spots are bluish purple spots on the back, shoulders, and buttocks of dark-skinned infants, caused by melanin deposits. They fade within a few years. Harlequin color change is a deep red color over a longitudinal half of the body, pallor on the other half, caused by an imbalance of autonomic vascular regulatory mechanism. Nevus flammeus (port-wine stain) is a permanent, flat, red-purple lesion that does not blanch on pressure. Mottling is a red or blue lacelike pattern on the skin that is a normal vasomotor response to cold.
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