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Insights into Imaging
Fig. 2 | Insights into Imaging

Fig. 2

From: Cortical ischaemic patterns in term partial-prolonged hypoxic-ischaemic injury—the inter-arterial watershed demonstrated through atrophy, ulegyria and signal change on delayed MRI scans in children with cerebral palsy

Fig. 2

a, b Ulegyria in a patient with partial-prolonged HII in prolonged labour (a) compared with normal gyral and sulcal pattern (b). Coronal T2-weighted image in a, a 4-year-old boy, who suffered a partial-prolonged HII demonstrating bilateral, symmetric localised atrophy in the parasagittal regions and abnormal underlying white matter high signal. There is ulegyria with overt thinning of the stems (curved white arrows) of the involved gyri and a resultant teardrop shape to the sulcus (black arrows). In comparison, the gyri in b, a normal 8-year-old girl, have parallel walls throughout their length and the sulci remain slit like from their surface to their depth (straight white arrows)

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