Mahyar Mohammadifard

Background and Aim Brain tumors are common, requiring physicians to have a precise understanding of them for accurate diagnosis and treatment. Considering that various histological tumor types present different cellularity, we conducted this research to examine the role of apparent diffusion coefficient (ADC) values in the differential diagnosis an...

One of the most important challenges in managing complex diseases like COVID-19 is to establish an intelligent triage system which can optimize the clinical decision-making at the time of a global pandemic. The clinical presentation and patients characteristics are usually utilized to identify those patients who need more critical care. However, th...

One of the most critical challenges in managing complex diseases like COVID-19 is to establish an intelligent triage system that can optimize the clinical decision-making at the time of a global pandemic. The clinical presentation and patients’ characteristics are usually utilized to identify those patients who need more critical care. However, the...

Background Vitamin D has an established role in female reproduction. There is also evidence for an association between vitamin D levels and menstrual problems such as premenstrual syndrome (PMS) and dysmenorrhea. Curcumin, is a bioactive polyphenol constituent of turmeric, that can potentially interact with vitamin D receptors and its molecular tar...

Objective: Cuscuta epithymum (CE) is one of the most popular medicinal plants in the world. However, detailed information about its toxicity is not available. Hence, this study aimed to evaluate the safety profile of CE ethanolic extract in vitro and in vivo. Materials and methods: The extract's in vitro toxicity profile was investigated on norm...

Saffron (Crocus sativus L.) has long been considered a medicinal plant in Traditional Persian Medicine (TPM) due to its therapeutic properties. Despite this interest, its effects on gastrointestinal disorders have not been completely taken into consideration. Hence, this study aimed to evaluate the pharmacological activity of ethanolic extracts of...

Liver cancer is one of the most ordinary reasons for death among cancers. Hepatocellular carcinoma (HCC) is the most common type of liver cancer. In spite of the fact that various remedial methods have been approved particularly the survival effects of the transcatheter arterial chemoembolization (TACE) method have been accomplished widely in the H...

Background: Evidence suggests that dysregulation in AMPA-type glutamate receptors (AMPA-Rs) has been associated with the pathogenesis of Alzheimer's disease (AD), especially during its early phase. Hence, the present study was performed to elucidate the impact of resveratrol (RV) on hippocampal expression of AMPA-Rs in a rat model of AD. Methods: A...

PurposeManagement of hepatorenal complications in diabetic patients is still a challenge for clinicians. The study aimed to investigate the impacts of ethanolic extract of Commiphora myrrha (Nees) Engl.oleo-gum-resin (EEM) against hepatorenal injury in diabetic rats.Methods Diabetes was induced by an intraperitoneal (i.p.) injection of streptozotoc...

It has been recently demonstrated that rosmarinic acid (RA) through modulation in the amyloidogenic pathway exhibit neuroprotective potential in Alzheimer’s disease. However, its effects on non-amyloidogenic pathways such as neuroinflammation (NI) and oxidative stress have not been elucidated carefully. Hence, this study aimed to investigate the ef...

Background The adherence to a Dietary Approaches to Stop Hypertension (DASH) diet may have a bidirectional relationship with mental wellbeing. We aimed to evaluate the association between compliance with a DASH diet and neuro-psychological function in young women. Methods In this cross-sectional study, a total of 181 girls aged between 18 and 25 y...

Background: Breast cancer is a preventable disease, using three secondary preventive methods of mammography, clinical breast examination (CBE), and breast self-examination (BSE) that can lead to early detection of breast cancer. This study was designed to assess breast cancer screening behavior and its associated factors in females employed in Sou...

Purpose: The rising prevalence of childhood obesity in the past decades has caused non-alcoholic fatty liver disease (NAFLD) to become the most common cause of pediatric chronic liver disease worldwide. This study was aimed at determining the effect of vitamin D (Vit D) on ultrasonography and laboratory indices of NAFLD and some blood biochemical...

statement: We present a case of focal cerebral arteriopathy and ischemic stroke in a pediatric COVID-19 patient presenting with seizure, right hemiparesis, and dysarthria with positive for SARS-CoV2 virus both from nasopharyngeal swab and cerebral spinal fluid. This copy is for personal use only. To order printed copies, contact reprints@rsna.org

Background: Chemotherapy is one of the fundamental treatments for cancer patients, which has significantly improved the survival rate. Alongside its benefits, many side effects are imposed on the patient following chemotherapy. Ones is hepatotoxicity that initially develops as fatty liver and hepatic steatosis, but may progress to liver failure if...

Objectives The pace of population aging is growing rapidly around the world. Aging is associated with the emergence of different health status including geriatric syndrome such as frailty, diabetes, cardiovascular diseases, and dementia. These conditions are the most prominent challenges for health care systems and also elderly people. Therefore, u...

Background: Nasal bone fractures are the most typical kind of facial injuries. In recent years, ultrasonography has been suggested as an alternative method for detecting maxillofacial fractures. It can eliminate the risk of radiation exposure, especially in children and pregnant women. The objective of present study was to compare the diagnostic co...

Introduction: Cholelithiasis is one of the most prevalent pathological conditions, and elective laparoscopic cholecystostomy with and without hemostatic agent (HA) is the therapeutic approach to its treatment. This research study aimed to compare the sonographic findings of patients who underwent cholecystostomy with and without HA use. Materials...

There is evidence that infection by H. pylori can have a critical proportion in the development of hepatocyte injury and both noncancerous and malignant liver conditions including non-alcoholic fatty liver disease (NAFLD). This is attributed to several mechanisms, the most important one being the toxic products of the bacterium H. pylori and oxidat...

Background: During the last decade, lifestyle changes considerably leading to an increase in non-communicable diseases such as nonalcoholic fatty liver disease (NAFLD) accounted as the most common cause of chronic liver disease in children. Objectives: The present study aimed to assess the prevalence and clinical characteristics of NAFLD overweight...

Trauma is one of the most important issues of most healthcare systems accompanying with head trauma in the most cases. We sought to determine the scoring system and initial Computed Tomography (CT) findings predicting the death at hospital discharge (early death) in patients with traumatic brain injury based on Marshall and Rotterdam CT scores. Thi...

Background Early diagnosis of breast cancer, the incidence of which among Iranian women is about a decade earlier than in developed countries, is important. Objective To compare mammography and ultrasonography findings with those of pathology in patients with breast cancer. Methods This descriptive cross-sectional study was performed using medica...

Background There is interest about the role of platelet (PLT) number and function in nonalcoholic fatty liver disease (NAFLD). NAFLD patients have abnormalities of PLT number and function, especially mean platelet volume (MPV) which is known as a novel biomarker for atherosclerosis. We decided to compare PLT number and function between NAFLD and he...

Successful Intravenous Streptokinase Therapy in Refractory Extensive Deep Vein Thrombosis Associated with Inferior Vena Cava Agenesis: A Novel Treatment for a Rare Case

Introduction Transjugular liver biopsy (TJLB) is a diagnostic radiological intervention, applied to patients with contraindications to percutaneous or laparoscopic liver biopsy. The aim of this study was to determine the safety, effectiveness, complications, and pathological impact of TJLB. Methods This cross-sectional study was conducted on 24 co...

The aim of this study was to evaluate the protein and mRNA expressions of matrix metalloproteinase-14 (MMP14) and CDK7 in gastric cancer (GC) tissues. Upregulation of MMP14 mRNA level was observed in GC tissues when compared with the matched normal tissues (mean ± SD: 3.92 ± 1.15 vs. 1.35 ± 0.81, P < 0.001). This study indicated that mRNA levels of...

Background: With respect to the increased prevalence of fatty liver and its development at young age in the Iranian population, as well as the importance of prevention and control of its related factors, the current study aimed to explore the relationship between fatty liver and metabolic syndrome in 6-18-year-old children in Birjand, Iran. Methods...

Background: Hypertension (HTN), probably, is the most common public health problem among developed countries. Rapid diagnosis and effective treatment of HTN have not truly stopped the rapid rate of mortality and morbidity caused by HTN. Vascular wall changes are one of the most important and mortal complications of HTN. Ultrasonography was used fo...

Introduction: Currently, trauma is the main reason of mortality among 1-44 years old people and the third common reason of death throughout all ages. The aim of this study is to examine the radiographic findings in chest trauma patients referring to the Imam Reza Hospital in Birjand during the years of 2013-2014. Methods: The patients meeting the c...

Pneumonia is a common illness in all parts of the world and is considered as a major cause of death among all age groups. Nevertheless, only about 5% of patients referring to their primary care physicians with acute respiratory symptoms will develop pneumonia. This study was performed to derive practical criteria for performing chest radiographs fo...

Traumatic events are one of the major causes of arterial injuries. Physical examination is not a good predictor of the extent of injuries and arteriography is considered as the gold standard for this purpose. In the recent years, noninvasive modalities are increasingly replacing diagnostic arteriography. Color Doppler ultrasonography (USG) is an ex...

Tuberculosis is a chronic pulmonary infectious disease that has affected one-third of the people in the world. It causes nine million new cases and two million deaths per year. Chest radiography associated with Ziehl-Neelsen acid-fast staining procedure significantly helps the diagnosis of pulmonary tuberculosis (PTB). Chest radiography can help th...

Abstract" Tropical Medicine" is a rapidly growing part of Infectious medicine. Actually, Travel Medicine was not a real branch of clinical medicine until about 25 years ago. At that time, many European and developed countries had an institute and center for referred patients with traveling and journey problems. The first specific communication w...

Background and Aim: Nonalcoholic fatty liver disease is the most common cause of abnormal liver enzymes. We aimed to investigate the effects of of resistance and combined exercise on levels of liver enzymes in women with fatty liver disease Materials and Methods: In this study, 37 women were assigned into three groups including control, resistance...

Introduction: Given the importance of identifying common bile duct diameter in diseases diagnoses and being different in different races, this paper aimed to investigate the relationship between the diameter of the common bile duct and demographic factors and drug addiction in patients who referred to the imaging department of Imam Reza hos-pital i...

The Alberta Stroke Program Early Computerized Tomography Score (ASPECTS) was used to detect significant early ischemic changes on brain CT of acute stroke patients. We designed the modified ASPECTS and compared it to the above system based on the inter-rater reliability. A cross-sectional validation study was conducted based on the inter-rater reli...

One of the most frequent primary malignant tumors in the world is hepatocellular carcinoma (HCC). Currently, the optimal treatment methods for HCC are hepatic resection and liver transplantation. Unfortunately, surgical therapies are suitable for 20% of patients and those who are not eligible for surgery should undergo interventional therapies. In...

BACKGROUND It can be difficult for the resident or general radiologist to form a concise differential diagnosis in diagnostic imaging given the broad range of pathologies and their frequently overlapping findings. A readily assessable tool is desired that generates a concise differential diagnosis based on imaging findings, clinical and patient dat...

Abstract Embolism of the femoral artery by an echinococcus cyst is extremely rare and is due to rupture of an intracardiac hydatid cyst. We report the case of a 14-year-old boy who was admitted to our clinic with the diagnosis of arterial occlusion of the right lower extremity. Preoperative angiography revealed an ileofemoral embolic occlusion. Dur...

Pneumoscrotum is a rate condition that occurs following a variety of procedural and pathological causes. We report a case of multiple trauma, pneumothorax and surgical emphysema, who presented with a swollen scrotum.

We present a 56-year-old female with end stage renal disease (ESRD). As the patient had no vascular access for hemodialysis, the catheter was inserted in the right subclavian vein without an imaging guide. The woman experienced sudden chest pain and hypotension Imaging showed a malposition of the catheter in the subclavian artery instead of the sub...

Background: The one-third middle cerebral artery (1/3 MCA) method and Alberta Stroke Program Early Computed Tomo- graphy Score (ASPECTS) were used to detect significant early ischemic changes on brain computed tomography (CT) of pa- tients with acute stroke. We designed the Persian Early CT Score (PECTS) and compared it with the above systems. Meth...