MRI Brain

病患者女 - 51歲
Several tiny T1 isointense and T2/FLAIR hyper intense signal changes found in bilateral cerebral subcortical white matter, can respresent age-related microvascular changes.
The grey/white matter differentiation is normal. No focal mass lesion detected.
No evidence of recent haemorrhage or haemosiderin deposition is noted. No focal area of diffusion abnormality is noted in the DEI and ADC images.
The ventricles, cerebral sulci, cerebellar folia and basal cisterns are normal for the age. No midline shift is noted. No extra-axial fluid collection is noted.
No focal mass lesion is identified at cerebellopontine angle. No gross pituitary lesion found. No evidence of cerebral at tinsillar herniation

The paeans always sinuses are well-aerated. No effusion noted in mastoid air cells. Visible part of nasopharyngeal has grossly smooth and symmetrical contour.
MRA of neck shows no evidence of occlusion or significant stenosis of the bilateral carotid and vertebral arteries. The intracranial portion of bilateral internal carotid arteries, the vertebral arteries and the Basilian artery are normal in Cali result with no evidence of occlusion or significant stenosis. Intracranial MRA of the circle of Willis shows normal course, contour and Cali bee of the bilateral anterior cerebral arteries, middle cerebral arteries and posterior cerebral arteries. No definite aneurysm demonstrated in the circle of Willis.

請問腦內的小點代表什麼，嚴重嗎？是否要找䐉科醫生跟進呢？