What does scattered small foci of t2 hyperintensity in the subcortical white matter means. this is from my mri brain w/o contrast test results?

Small vessel disease: The latest studies point to small vessels also called microscopic vessels. These become blocked resulting in fluid in the soft tissue next to it . This so called small vessel disease or more pronounced micro vascular ischemia. These are found in just about all over 50 and sometimes even younger

These: are usually due to age-related microvascular changes, and are common incidental MRI findings as we age. However, there are other potential less-likely causes, so you should talk to your doctor about the significance of this finding in your particular case.