Heterogeneous signal intensity and contrast-enhancing (ring enhancement) periventricular mass lesion is demonstrated in the right occipital lobe measuring approximately 3.5 x 4.2 x 5.4 cm and showing mild restriction areas. There is an extensive perilesional vasogenic oedema. Further area of separate contrast enhancement noted in the splenium on the right and another heterogeneous enhancing lesion is demonstrated in the right hippocampus and parahippocampal gyrus.