Female, 57 years old, with cavernoma. A lobular hemosiderin stained lesion is redemonstrated in the left anterior temporal lobe centered on the temporal horn of the lateral ventricle. The lesion contains heterogeneous T2 internal signal as well as intrinsically T1 bright signal, some of which may have diminished relative to the prior examination. The overall area of signal abnormality on T2-weighted images measures up to 3 cm in diameter. No definite associated developmental venous anomaly is seen. No other parenchymal lesions are detected. Ventricular size and morphology remain within normal limits. A few scattered nonspecific foci of T2 hyperintensity are demonstrated within the cerebral white matter. An incidental arachnoid cyst is suspected along the right anterior temporal lobe.
A lesion is present in the left anterior temporal lobe showing features consistent with a cavernous malformation. No definite associated developmental venous anomaly is seen.