PubMed · 7138372
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N R Olson. 1982. Frontal sinus ablation.. https://doi.org/10.1001/archotol.1982.00790590071019
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Porencephaly may result from either a developmental anomaly or an antepartum intraparenchymal insult. Pre- and postnatal ultrasonography can demonstrate characteristic images of porencephaly. There is minimal literature on diagnosis and outcome of antenatally diagnosed porencephaly. There are two types of porencephaly: type I is generally due to an antepartum intraparenchymal hemorrhage. Type II lesions are usually developmental anomalies. Prognosis generally depends on the extent of the lesion.