Users' questions

What is temporal lobe hypometabolism?

What is temporal lobe hypometabolism?

Temporal lobe hypometabolism was defined as an area of the anterior and medial temporal structure with a 20% or lower metabolism compared to other areas of the cortices [15]. Regions of hypometabolism equal to or more than 2 consecutive slices in the axial plane were considered significant.

What causes hypometabolism in the brain?

They are often associated with atrophy of the affected brain structures and include disor- ders such as Alzheimer’s disease and other dementias, degenerative nerve diseases, epilepsy, Parkinson’s disease, multiple sclerosis, Huntington’s disease, and others.

What causes temporal lobe lesions?

The most common cause of temporal lobe lesions is a CVE. Space-occupying lesions may be primary brain tumours – benign (such as meningioma) or malignant. They may also be secondary tumours or metastatic carcinoma, most often from lung cancer or breast cancer.

What happens when the right temporal lobe is removed?

It removes a part of the anterior temporal lobe along with the amygdala and hippocampus. A temporal lobectomy leads to a significant reduction or complete seizure control about 70% to 80% of the time [4, 5]. However, memory and language can be affected if this procedure is performed on the dominant hemisphere.

Are there tumors in the temporal lobe of the brain?

Tumors in the temporal lobe part of the brain may or may not be cancerous. The temporal lobe is found in the lower region of the brain, and tumors found in this location may cause changes affecting emotional regulation, memory, or the ability to verbally communicate. Frequent or unusual headaches are often the first indicators of these tumors.

Can a patient have a right temporal lobectomy?

Electroencephalography and stereo-electroencephalography monitoring localized seizures to the right temporal lobe, allowing the patient to undergo right temporal lobectomy. Histologic sections demonstrated cortical dysplasia, white matter heterotopia, and hippocampal reactive gliosis without neuronal loss.

Which is part of the brain is affected by hypometabolism?

The earliest changes of hypometabolism are often seen in the posterior cingulate gyrus (16). The classic pattern of impaired metabolism consists of involvement of the posterior cingulate gyri, precuneus, and posterior temporal and parietal lobes (19 – 24).

What happens if you have a brain tumour in the parietal lobe?

A brain tumour located in the parietal lobe may cause difficulty with: bringing together information from your different senses (touch, vision, hearing, smell, taste) and making sense of it; recognising faces or objects; co-ordinating movements; spatial awareness (judging distances and hand-eye co-ordination)