02
Jul

0

Brain Iron Accumulation Linked to Cognitive Decline in Alzheimer’s Patients

Brain Iron Accumulation Linked to Cognitive Decline in Alzheimer’s Patients Researchers using magnetic resonance imaging (MRI) have found that iron accumulation in the outer layer of the brain is associated with cognitive deterioration in people with Alzheimer’s disease, according to a study published in the journal Radiology. Alzheimer’s disease is a progressive type of dementia that impairs and eventually destroys […]

02
Jul

0
MRI Test for Football Players Could Detect CTE

MRI Test for Football Players Could Detect CTE

MRI Test for Football Players Could Detect CTE Chronic traumatic encephalopathy (CTE), a neurodegenerative disease caused by repeated head injuries often affecting athletes, can only be diagnosed currently through brain tissue analysis post-mortem. However, in a new study published in Brain, a Journal of Neurology, Ben-Gurion University of the Negev (BGU) researchers present a new test methodology. Using brain imaging […]

12
Jun

0

MRI Technique Developed to Improve Detection of Tumors

MRI Technique Developed to Improve Detection of Tumors Early diagnosis of cancer is one of the highest-priority problem for the healthcare system, because it is critical for overall treatment success and saving patients’ lives. Diffusion-weighted magnetic resonance imaging (DWI) may be used to detect a malignancy in various tissues and organs. It has the advantage […]

12
Jun

0

Scientists Show MRI Predicts the Efficacy of a Stem Cell Therapy for Brain Injury

Scientists Show MRI Predicts the Efficacy of a Stem Cell Therapy for Brain Injury Scientists at Sanford Burnham Prebys Medical Discovery Institute and Loma Linda University Health have demonstrated the promise of applying magnetic resonance imaging (MRI) to predict the efficacy of using human neural stem cells to treat a brain injury — a first-ever “biomarker” for regenerative medicine that could […]

12
Jun

0

3-D Fusion Imaging Improves Coronary Artery Disease Diagnosis

3-D Fusion Imaging Improves Coronary Artery Disease Diagnosis A new technique that combines computed tomography (CT) and magnetic resonance imaging MRI can bolster coronary artery disease diagnosis and help to define appropriate treatment for patients suffering from the disease, according to a new study published in the journal Radiology: Cardiothoracic Imaging. Coronary artery disease is the most […]

12
Jun

0

New Imaging Tool Helps Researchers See Extent of Alzheimer’s Early Damage

New Imaging Tool Helps Researchers See Extent of Alzheimer’s Early Damage New imaging technology allows scientists to see the widespread loss of brain synapses in early stages of Alzheimer’s disease, a finding that one day may help aid in drug development, according to a new Yale University study. The research, published May 13 in Alzheimer’s & Dementia: The Journal of […]

26
May

0

Imaging Reveals Bowel Abnormalities in Patients with COVID-19

Imaging Reveals Bowel Abnormalities in Patients with COVID-19 May 11, 2020 — Patients with COVID-19 can have bowel abnormalities, including ischemia, according to a new study published today in the journal Radiology. Several studies have evaluated the chest imaging findings in COVID-19, which helped improve understanding of how the disease affects the lungs. More recently, reports have documented that gastrointestinal symptoms, liver […]

26
May

0

Couples MRI Investigates How Touching is Perceived in the Brain

Couples MRI Investigates How Touching is Perceived in the Brain April 30, 2020 — Researchers at Aalto University and Turku PET Centre have developed a new method for simultaneous imaging brain activity from two people, allowing them to study social interaction. In a recent study, the researchers scanned brain activity from 10 couples. Each couple spent 45 minutes inside the magnetic resonance […]

26
May

0

Finding New Clues to Brain Cancer Treatment

Finding New Clues to Brain Cancer Treatment February 21, 2020 — Glioblastoma is an aggressive, killer disease. While victims of this fast-moving brain tumor comprise only about 15 percent of all people with brain cancer, its victims rarely survive more than a few years after diagnosis. But research scientists and doctors from the Case Western Reserve University School of […]

26
May

0

Radiology Publishes First Case of COVID-19 Encephalopathy

Radiology Publishes First Case of COVID-19 Encephalopathy March 31, 2020 — A brief article from Henry Ford Health System in Detroit, published today in Radiology, reports on the first presumptive case of COVID-19–associated acute necrotizing hemorrhagic encephalopathy. The patient, an airline worker in her 50s, presented with a 3-day history of cough, fever and altered mental status. Initial laboratory work-up was negative for influenza, […]

08
May

1
hamidreza saligheh rad

Hamidreza Saligheh Rad

Contact Information Quantitative Medical Imaging Systems Group (QMISG) Research Center for Molecular and Cellular Imaging Tehran University of Medical Sciences (TUMS), Tehran, Iran Imam Hospital Complex-Keshavarz Blvd. – Tehran – Iran Voice: (+98) 216.658.1505 – Ext.114, Cell: (+98) 912.314.1161 Fax: (+98) 216.643.8630, E-mail: h-salighehrad@tums.ac.ir

05
May

0
MDCT-QCT, QUS, and DXA in healthy adults: An intermodality comparison

MDCT-QCT, QUS, and DXA in healthy adults: An intermodality comparison

MDCT-QCT, QUS, and DXA in healthy adults: An intermodality comparison Abstract Background: Cortical deceleration is the main reason for bone loss at peripheral sites. It was suggested that when peripheral bones were assessed for osteoporosis, management and therapy can be administered early. The main aim of this study was to assess the relationships between the […]

05
May

0
A hybrid (iron–fat–water) phantom for liver iron overload quantification in the presence of contaminating fat using magnetic resonance imaging

A hybrid (iron–fat–water) phantom for liver iron overload quantification in the presence of contaminating fat using magnetic resonance imaging

A hybrid (iron–fat–water) phantom for liver iron overload quantification in the presence of contaminating fat using magnetic resonance imaging Abstract OBJECTIVE: Assessment of iron content in the liver is crucial for diagnosis/treatment of iron-overload diseases. Nonetheless, T2*-based methods become challenging when fat and iron are simultaneously present. This study proposes a phantom design concomitantly containing […]

05
May

0
Imaging signatures of glioblastoma molecular characteristics: A radiogenomics review

Imaging signatures of glioblastoma molecular characteristics: A radiogenomics review

Imaging signatures of glioblastoma molecular characteristics: A radiogenomics review Abstract Over the past few decades, the advent and development of genomic assessment methods and computational approaches have raised the hopes for identifying therapeutic targets that may aid in the treatment of glioblastoma. However, the targeted therapies have barely been successful in their effort to cure […]

05
May

0
Differentiation of benign from malignant adnexal masses by dynamic contrast-enhanced MRI (DCE-MRI): Quantitative and semi-quantitative analysis at 3-tesla MRI

Differentiation of benign from malignant adnexal masses by dynamic contrast-enhanced MRI (DCE-MRI): Quantitative and semi-quantitative analysis at 3-tesla MRI

Differentiation of benign from malignant adnexal masses by dynamic contrast-enhanced MRI (DCE-MRI): Quantitative and semi-quantitative analysis at 3-tesla MRI Abstract BACKGROUND: To evaluate the utility of the pharmacokinetic modeling derived from dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) in differentiating benign from malignant adnexal masses. METHODS: A total of 43 patients with 49 complex adnexal masses […]

05
May

0

Quantification of ASL Perfusion MRI in MCI Patients Using Single-Post Labeling Delay Model-Fitting Approach

Quantification of ASL Perfusion MRI in MCI Patients Using Single-Post Labeling Delay Model-Fitting Approach Abstract Purpose: Neuroimaging techniques hold many promises to detect Alzheimer Disease (AD) at early stages before clinical symptoms fully develop, suggesting decreased regional Cerebral Blood Flow (CBF). Perfusion deficiencies are present from very early clinical phases of AD, i.e. Mild Cognitive […]

05
May

0
The Evaluation of the Brain Alterations in Epileptic Patients Using Structural Magnetic Resonance Imaging

The Evaluation of the Brain Alterations in Epileptic Patients Using Structural Magnetic Resonance Imaging

The Evaluation of the Brain Alterations in Epileptic Patients Using Structural Magnetic Resonance Imaging Abstract Purpose: The purpose of this study is to evaluate the brain alterations in epileptic patients and normal adults in order to help differential diagnosis using volumetric Magnetic Resonance Imaging (MRI). Materials and Methods: The study case group included 11 subjects, […]

05
May

0
Diffusion MRI for Assessment of Bone Quality; A Review of Findings in Healthy Aging and Osteoporosis

Diffusion MRI for Assessment of Bone Quality; A Review of Findings in Healthy Aging and Osteoporosis

Diffusion MRI for Assessment of Bone Quality; A Review of Findings in Healthy Aging and Osteoporosis Abstract Diffusion MRI (dMRI) is a growing imaging technique with the potential to provide biomarkers of tissue variation, such as cellular density, tissue anisotropy, and microvascular perfusion. However, the role of dMRI in characterizing different aspects of bone quality, […]

05
May

0
Analyzing brain structural differences associated with categories of blood pressure in adults using empirical kernel mapping-based kernel ELM+

Analyzing brain structural differences associated with categories of blood pressure in adults using empirical kernel mapping-based kernel ELM+

Analyzing brain structural differences associated with categories of blood pressure in adults using empirical kernel mapping-based kernel ELM+ Abstract Background: Hypertension increases the risk of angiocardiopathy and cognitive disorder. Blood pressure has four categories: normal, elevated, hypertension stage 1 and hypertension stage 2. The quantitative analysis of hypertension helps determine disease status, prognosis assessment, guidance […]

05
May

0
PEGylation of graphene/iron oxide nanocomposite: assessment of release of doxorubicin, magnetically targeted drug delivery and photothermal therapy

PEGylation of graphene/iron oxide nanocomposite: assessment of release of doxorubicin, magnetically targeted drug delivery and photothermal therapy

PEGylation of graphene/iron oxide nanocomposite: assessment of release of doxorubicin, magnetically targeted drug delivery and photothermal therapy Abstract Scientists have recommended to investigate graphene and graphene base compounds for their potential uses in a variety of fields, such as biomedicine and drug release. A PEGylated and functionalized magnetic graphene oxide (MG–NH2–PEG) complex was used herein […]

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