The additional information, obtained when using the posterior fontanelle routinely
as the second acoustic window, is illustrated in four infants. Three of them are full-term
infants with hypoxic ischaemic encephalopathy. In newborn infants, who are still too
unstable to be transported to the magnetic resonance unit, extensive damage in the
occipital subcortical white matter and/or cortex can be visualised by performing cranial
ultrasound through the posterior fontanelle.
Cranial ultrasound - Encephalopathy - Posterior fontanelle
