American Journal of Roentgenology, Vol 165, 417-423, Copyright © 1995 by American Roentgen Ray Society
Sonography of the brain in infants: role in evaluating neurologic abnormalities
DS Babcock
Department of Radiology, Children's Hospital Medical Center, Cincinnati, OH 45229, USA.
Three primary imaging techniques are currently available for evaluating CNS
disease in the infant: sonography, CT, and MR imaging. No one technique is
optimal in all situations. An integrated approach may be the most
appropriate and cost-effective. Sonography plays a role in screening for
and following up intracranial hemorrhage in premature infants, in
diagnosing congenital malformations of the brain, and in the initial
diagnosis and follow-up of infants with hydrocephalus. Sonography can be
used to diagnose periventricular leukomalacia and hypoxic/ischemic injury,
but it is relatively insensitive in the acute phase. Doppler sonography
plays a role in determining if a structure is vascular, such as vein of
Galen aneurysm, and in assessing embolization of a vascular malformation.
Doppler sonography also can be used at the bedside to diagnose suspected
thrombosis of intracranial vessels. The purpose of this essay is to review
the role of sonography in the diagnosis, treatment, and follow-up of these
conditions.
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