Farzad Ashrafi

Functional Neurosurgery Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.

[ 1 ] - Correlation of MRI findings and cognitive function in multiple sclerosis patients using montreal cognitive assessment test

Background: Magnetic resonance imaging (MRI) has improved the diagnosis and management of patients with multiple sclerosis (MS). Montreal Cognitive Assessment (MoCA) is a brief, sensitive test that has been recommended by National Institute of Neurological Diseases and Stroke and Canadian Stroke Network (NINDS-CSN) as a reliable tool to detect mild cognitive impairments. This study aimed to eva...

[ 2 ] - Diagnosis of patients with Parkinson's disease using quantitative susceptibility mapping

Introduction: Parkinson'sdisease isassociated withirondeposition in the brain. The T2-weighted imaging, T2* mapping, R2 mapping and Quantitative Susceptibility Mapping (QSM) are three common methods to evaluating the iron deposition in brain. Among three methods the QSM is more sensitive than others. Few studies have been used QSM for evaluating the iron deposition in the basa...

[ 3 ] - Clinical Significance of Diffusion Weighted Magnetic Resonance Imaging on Treatment Efficacy in MS Patients With Acute Attacks

Background: Despite the existence of various imaging methods, the accurate diagnosis of many neurodegenerative diseases is still controversial. The use of advanced imaging techniques, such as the diffusion weighted imaging can be help the early detection of MS and evaluation of the treatment efficacy in these patients. Materials and method: 24 MS patients with acute attack and thirty healthy s...