View clinical trials related to Brain Lesions.
Filter by:This is a prospective pilot study evaluating the efficacy of DynaCT in direct comparison to conventional catheter angiography in demonstrating the anatomic details of the vessels supplying brain lesions. Forty patients will be recruited for this pilot study.
Currently, standard-of-care tractography is based on information obtained from diffusion tensor imaging (DTI). DTI is a diffusion magnetic resonance imaging (dMRI) technique that is routinely obtained on neurosurgical patients to assist in pre-operative planning. The primary objective of the proposed study is to determine the ability of msHARDI-based tractography to discern fibers in edematous brain regions.
This is a single arm, single center study of 15 patients with brain lesions being treated at UNC Hospitals. Subjects will undergo one (1) FLT-PET-MRI scan before their scheduled surgical biopsy of their brain lesion(s).
The main purpose of this study is to see whether addition of TPI 287 to FSRT is safe and tolerable. Researchers also want to find out if adding TPI 287 to FSRT can help with better controlling the growth of brain lesions in people with brain metastases from their cancer.
Two groups of subjects will be constitute: (i) patients with circumscribed brain injury (including stroke, vascular malformations, tumor or circumscribed infectious lesions) or degenerative disorders and selective cognitive disorders; (ii) healthy control subjects. The objective of this project is to evaluate specific neuropsychological deficits and apply current brain imaging techniques (anatomical, diffusion, functional) to patients suffering from these cognitive deficits due to brain damage, in order to elucidate the brain mechanisms underlying these deficits.
The area of the brain responsible of visuospatial processing data and more specifically the orientation of an object or image is located in parietal lobe, especially on the right side. A dysfunction of this region would result in a disorder of recognition of the orientation of objects and images that the investigators call orientation agnosia. Several isolated cases are reported in the literature but to the investigators knowledge deficit has never been systematically searched, or put into perspective compared to other neuropsychological deficits. Moreover, the precise location of the lesion responsible for such a disorder remains uncertain. The objectives of this study are (1) detect the existence of orientation agnosia in case of right parietal lesion, and (2) to improve the understanding of such a deficit allowing better management of this disorder.
Event-related potentials (ERPs）has the advantage of excellent temporal resolution on measuring real-time neural activities that reflect to higher level cognitive processes. A research project related to lesion studies in which patients with cognitive function impairment and communication disorder will be recruited as participants to examine their impairment as well as residual abilities by using ERPs. Hopefully, expected findings will provide further analysis based on the patterns of neural activities revealed by both patients and normal controls should be able to provide important evidence toward building the cross-linguistic theory. The findings also have applications on diagnostic and evaluation for patients with brain lesions for clinical application with communication disorder.
This study is being conducted as a phase IV, double-blind, multi-center, randomized, crossover trial aimed at a within-subject comparison of MULTIHANCE and GADOVIST at a dose of 0.1 mmol/kg, in terms of qualitative and quantitative assessment of unenhanced MRI (UE MRI) and contrast-enhanced MRI (CE MRI) for the visualization of brain disease.