What are the common causes of scalp swelling after birth?
Caput succedaneum; subgaleal haematoma; cephalohaematoma.
What is the definition of subgaleal haematoma?
A subgaleal haematoma describes bleeding in the potentional space between the periosteum and galea aponeurosis.
Which haematoma crosses cranial sutures: subgaleal haematoma or cephalohaematoma?
Subgaleal haematoma.
Large mainly left-sided subgaleal haematoma with smaller contralateral extension to the right side. It extends beyond the sagittal suture. It shows fluid/fluid level likely to be blood degradation on the left side of the scalp.
Ill-defined hyperdensities are seen in the posterior fossa and occipital lobes suggesting subarachnoid bleed.
Attenuated cerebral ventricles with effaced cortical sulci likely owing to diffuse cerebral edema.
Bilateral wormian bones are seen in the lambdoid suture.