Radiological diagnosis of periventricular and subcortical leukomalacia

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Abstract
Nine newborn infants with histories of perinatal asphyxia are presented. The pneumoencephalographic findings which led to the diagnosis are typical and constant. They include marked subcortical atrophy with rounded, dilated, and undisplaced lateral ventricles. Cystography with 3 cc of air demonstrated multiple subcortical and pareventricular cavities, without communication with the ventricular system, but with the typical honeycomb appearance of paraventricular and subcortical leukomalacia described in postmortem findings. The CT findings are typical, and provide the location of the cavities as well as their density.