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  • Title: [Periventricular leukomalacia in premature infants: prognostic role of ultrasonography and MRI].
    Author: Murgo S, Avni EF, David P, Muller MF, Golzarian J, Balériaux D, Struyven J.
    Journal: J Radiol; 1999 Jul; 80(7):715-20. PubMed ID: 10431271.
    Abstract:
    PURPOSE: To evaluate the role of cranial US and MRI to establish the neurological prognosis of premature infants with periventricular leukomalacia (PVL). PATIENTS AND METHODS: Follow-up results of cranial US and early MRI evaluation (before 25 weeks*) of 28 premature infants were retrospectively reviewed and compared to the neurological outcome at 18 months* (*corrected age). RESULTS: Follow-up by cranial US was more sensitive (8/28) than early MRI to detect cystic PVL lesions because of the transient nature of these cysts. This has prognostic implications since all patients (8/8) with cystic PVL lesions had neurological sequelae. MRI was useful, as a complement to cranial US, for the evaluation of non-cystic PVL lesions. Indeed, patients with evidence of hemorrhage or paucity of white matter at MRI had a higher risk of neurological sequelae (9/11) than infants with echogenic periventricular white matter at US without evidence of white matter abnormality at MRI (p < 0.013). CONCLUSION: MRI was useful, as a complement to cranial US, to evaluate the prognosis of infants with non-cystic PVL lesions.
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