History of tuberous sclerosis and seizures of increased frequency. There is an unchanged 7 mm wide avidly enhancing lesion at the grey-white matter junction along the anterior right superior frontal sulcus with associated surrounding T2 hyperintensity. There are postoperative findings in the right parietal lobe with unchanged associated scattered punctate foci of susceptibility effect and linear T2 signal abnormality surrounding the resection cavity, which likely represents gliosis and encephalomalacia. There is also unchanged linear T2 hyperintensity in the right forceps minor region. There is no evidence of acute infarct. The ventricles and basal cisterns are unchanged in size and configuration. There is no midline shift or herniation. The major cerebral flow voids are intact. The orbits, skull, paranasal sinuses, and scalp soft tissues are unchanged.
1. Unchanged enhancing lesion in the right superior frontal sulcus grey-white matter junction, which may represent a hamartoma or perhaps less likely a neoplasm superimposed upon transmantle dysplasia.2. Unchanged postoperative findings in the right parietal lobe.3. Unchanged signal abnormality in the right right forceps minor region, which likely represents transmantle dysplasia with radial migration band.