White Matter Injury in the Premature Infant: A Comparison between Serial Cranial Sonographic and MR Findings at Term
Terrie E. Indera,b,d,
Nigel J. Andersonc,
Carole Spencerc,
Scott Wellsc and
Joseph J. Volped
a Murdoch Childrens Research Institute, Melbourne, Australia
b Howard Florey Institute, Melbourne, Australia
c Department of Radiology and NICU, Christchurch Hospital, New Zealand
d Department of Neurology, Childrens Hospital, Harvard Medical School, Boston

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FIG 1. Representative cranial sonograms.
A, Normal image, coronal view.
B, Flaring in the periventricular WM, coronal image.
C, Cystic PVL with a cystic abnormality in a region of a signal intensity abnormality, axial view.
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FIG 2. Representative sagittal T1-weighted MR images (3-mm sagittal T1; 550/12; FOV, 18 cm) in premature infants obtained at term.
A, Normal image.
B, Focal signal intensity abnormality (arrow).
C, Extensive signal intensity abnormality (arrow).
D, Cystic change (arrow).
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