The posterior fontanelle: a neglected acoustic window

Neuropediatrics. 1996 Apr;27(2):101-4. doi: 10.1055/s-2007-973757.


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.

Publication types

  • Case Reports
  • Comparative Study

MeSH terms

  • Brain Damage, Chronic / diagnostic imaging*
  • Cerebral Cortex / diagnostic imaging
  • Cerebral Hemorrhage / diagnostic imaging
  • Cerebral Infarction / diagnostic imaging
  • Cysts / diagnostic imaging
  • Echoencephalography / methods*
  • Female
  • Fetal Hypoxia / diagnostic imaging*
  • Humans
  • Hypoxia, Brain / diagnostic imaging*
  • Infant, Newborn
  • Magnetic Resonance Imaging
  • Male
  • Meconium Aspiration Syndrome / diagnostic imaging
  • Occipital Lobe / diagnostic imaging