You are examining an infant in the nursery and notice a soft bump over the posterior right side of the skull. It is not evident on the left. What does this represent?

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Cephalohematoma represents bleeding under the periosteum, which is why this lesion does not cross the midline. The blood can contribute to neonatal jaundice as it breaks down. Caput succedaneum is commonly seen as a spongy mass over the vertex, particularly when vacuum extraction is used. Craniosynostosis describes a premature closure of bony skull sutures, and plagiocephaly is a flattening of the parieto-occipital region on one side of the skull, which is frequently thought to be positional.

You Are Examining an Infant in the Nursery and Notice