Question: What Causes White Matter Lesions On The Brain?

What can lesions on the brain mean?

Brain lesions are a type of damage to any part of brain.

Lesions can be due to disease, trauma or a birth defect.

Sometimes lesions appear in a specific area of the brain.

At other times, the lesions are present in a large part of the brain tissue.

At first, brain lesions may not produce any symptoms..

What causes white matter lesions?

Major causes of periventricular white matter (PWM) lesions include normal changes from aging (then they are called UBO’s, for “unidentified bright objects), small strokes, and disorders related to multiple sclerosis (MS). PWM are also correlated with vitamin B6 (pyridoxine) deficiency.

Can white matter lesions in the brain be nothing?

White matter lesions observed on brain MRI are usually characteristic and occur in specific areas including the corpus callosum and pons. “However, in many cases, the white matter lesions as isolated observations are nonspecific” and could be due to MS or another cause, explained Drs Lange and Melisaratos.

What does it mean to have white matter on the brain?

In contrast to gray matter, in which the cell bodies of neurons predominate, the term white matter refers to areas of the brain where there is a preponderance of axons coated with myelin. (Axons, which can be up to three feet long, are the longest projections of brain cells and carry a cell’s signal to other cells.)

What diseases can cause lesions on the brain?

Advertising & SponsorshipBrain aneurysm (a bulge in an artery in your brain)Brain AVM (arteriovenous malformation) (arteriovenous malformation) — an abnormal formation of brain blood vessels.Brain tumor (both cancerous and noncancerous)Encephalitis (brain inflammation)Epilepsy.Hydrocephalus.Multiple sclerosis.Stroke.More items…

Can white matter in the brain be repaired?

White matter injuries are very serious, but, depending on the type and extent of the injury, extensive recovery may occur. As long as the neuron cell bodies remain healthy, axons can regrow and slowly repair themselves.

Can a lesion on the brain be harmless?

That’s because there are many types of brain lesions. They can range from small to large, from few to many, from relatively harmless to life threatening.

What is the life expectancy of someone with white matter disease?

It is not possible to stop disease progression, and it is typically fatal within 6 months to 4 years of symptom onset. People with the juvenile form of metachromatic leukodystrophy, which develops between the age of 4 and adolescence, may live for many years after diagnosis.

Do white matter lesions go away?

Causes. Sometimes the white matter hyperintensities can resolve, as with a treated infection or brain tumor. They may temporarily improve and possibly worsen again later, as with episodic inflammatory conditions such as lupus or MS. The spots may shrink in size months after a small stroke.

Does everyone have white matter in the brain?

R. Douglas Fields. “Gray matter” is only one of two types of brain tissue; the other “white matter” is rarely mentioned. Yet white matter makes up half the human brain and has not been thought to be important in cognition or learning outside the context of pathology.

What does it mean when you have white matter on a brain MRI?

White matter hyperintensities (WMHs) are lesions in the brain that show up as areas of increased brightness when visualised by T2-weighted magnetic resonance imaging (MRI). WMH’s are also referred to as Leukoaraiosis and are often found in CT or MRI’s of older patients.

Can lesions on the brain heal?

The prognosis for surviving and recovering from a brain lesion depends upon the cause. In general, many brain lesions have only a fair to poor prognosis because damage and destruction of brain tissue is frequently permanent. However, some people can reduce their symptoms with rehabilitation training and medication.