Infant, 6 months: T1 reversal point.
A, Axial SE T1-weighted MR image (350/20/2) shows two barely distinguishable subependymal nodules (arrow points to more frontal one) along wall of left lateral ventricle; no tuber or white matter anomalies can be seen.
B, Axial CT scan shows hyperdense left frontal wedge-shaped white matter anomalies (arrow).
C, Coronal SE T2-weighted MR image (4000/90/1) shows left frontal tuber and white matter anomalies as slightly hyperintense (arrows).