t2 hyperintense hepatic lesionst2 hyperintense lesion thyroidt2 hyperintense lesion kidneyt2 hyperintense lesion spineovoid t2 hyperintense lesionnonspecific t2 hyperintensitiesperiventricular t2 hyperintensityscattered t2 hyperintensitiesabnormal t2 hyperintensitysubcortical t2 hyperintensitieshyperintense t2 signalt2 hyperintense lesion