Which term is defined as a vaguely outlined area of edematous tissue situated over the portion of the scalp that presents in a vertex delivery?
a. Hydrocephalus
b. Cephalhematoma
c. Caput succedaneum
d. Subdural hematoma
ANS: C
Caput succedaneum is defined as a vaguely outlined area of edematous tissue situated over the portion of the scalp that presents in a vertex delivery. The swelling consists of serum or blood (or both) accumulated in the tissues above the bone, and it may extend beyond the bone margin. Hydrocephalus is caused by an imbalance in production and absorption of cerebrospinal fluid. When production exceeds absorption, fluid accumulates within the ventricular system, causing dilation of the ventricles. A cephalhematoma has sharply demarcated boundaries that do not extend beyond the limits of the (bone) suture line. A subdural hematoma is located between the dura and the cerebrum. It should not be visible on the scalp.
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