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Large Postnatally Acquired Porencephalic Cysts: Unexpected Developmental Outcomes

Department of Pediatrics, University of Iowa

Gail A. McGuinness, MD

Department of Pediatrics, University of Iowa

James F. Bale, Jr, MD

Department of Pediatrics, University of Iowa, Department of Neurology, University of Iowa

Wilbur L. Smith, Jr, MD

Department of Radiology University of Iowa, Iowa City, IA

To determine the neurodevelopmental outcome for infants with posthemorrhagic intraparenchymal cysts, we reviewed retrospectively clinical, ultrasonographic, and developmental features in 16 affected children. At a mean follow-up age of 33 months, five subjects had normal cognitive outcomes (developmental quotient [DQ] or IQ > 83), nine had borderline to mild deficits (DQ or IQ, 52 to 83), but only three had moderate to severe deficits (DQ or IQ < 52). Spastic cerebral palsy was present in 13 (81%); only one child (6%) had a chronic seizure disorder requiring medication. Cognitively normal children were less likely to have had neonatal seizures (P < .05) and tended to have more localized cysts. Otherwise, we found no relationship between outcome and neonatal clinical or laboratory findings. Overall, these results suggest that although motor deficits are common in infants with severe intraventricular hemorrhage and porencephalic cysts, cognitive outcomes may be more favorable than has been suspected previously. (J Child Neurol 1991;6:58-64).

Journal of Child Neurology, Vol. 6, No. 1, 58-64 (1991)
DOI: 10.1177/088307389100600113


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