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Forensic Medicine · Injuries and wounds: neonatal scalp swellings
Sample itemA newborn has a scalp swelling noticed some hours after delivery. It increases gradually, is confined to the area of one parietal bone and does not cross the suture line. What is the lesion?
Original practice item, not a recalled exam question. Nothing here is recorded.
The answer and the reasoning
A. Cephalhaematoma
A cephalhaematoma is a subperiosteal bleed, so it is limited by the suture lines and appears hours after birth. Caput succedaneum is present at birth, pits on pressure and crosses sutures. Subgaleal bleeding spreads widely across sutures.
Option by option
A. Cephalhaematoma (correct)
Correct. A swelling limited by the suture line is a subperiosteal cephalhaematoma.
B. Encephalocele
An encephalocele is a congenital herniation through a skull defect and not a gradually enlarging bleed.
C. Caput succedaneum
Caput succedaneum is maximal at birth, crosses sutures and resolves within days.
D. Subgaleal haemorrhage
Subgaleal haemorrhage lies beneath the aponeurosis and spreads across sutures.
Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.
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