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  • Title: [Venous infarction of the neonate].
    Author: Lahutte M, Bordarier C, Hornoy P, Fallet-Bianco C, Adamsbaum C.
    Journal: J Radiol; 2010; 91(7-8):787-96. PubMed ID: 20814362.
    Abstract:
    PURPOSE: To determine the imaging features of hemorrhagic infarction in neonates. PATIENTS AND METHODS: Retrospective study (1998-2008) of 19 children (17 premature and 2 term deliveries) with early lobar hyperechogenicity on transfontanel US (TFUS). Group I: 11 born infants with clinical as well as TFUS and MRI follow-up. Group II: 8 premature infants deceased within a week from multisystem pathology, with neuropathological study available in 3 cases. RESULTS: Group I (n=11): periventricular hyperechogenicity in a frontal (7), frontoparietal (2), parietooccipital (1) and temporoparietal (1) distribution with developing cavitary change (n=6). MRI showed a cortex sparing intraparenchymal hematoma. Group II (n=8): periventricular hyperechogenicity in a frontal (4), frontoparietal or parietal (3) and occipital (1) with developing cavitary change (3). Neuropathological examination showed characteristic lesions of venous hemorrhagic infarction. Clinical outcome was generally favorable for the surviving infants with contralateral motor deficit (n=5) non-correlated to the extent of the initial lesions. CONCLUSION: Venous hemorrhagic infarction mainly affetcs premature infants and typically involves the periventricular frontal white matter. Prognosis is generally favorable. It is thus important to differentiate this entity from asymmetrical cystic periventricular leukomalacia with much different prognosis.
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