Prevalence, characteristics, and risk factors of non-alcoholic fatty liver disease in North East of Iran: a population-based study.

Background: Nonalcoholic fatty liver disease (NAFLD) is a common dietary disorder caused by fatty changes in the liver parenchyma and hepatocytes without alcohol consumption. The present study aimed to investigate the prevalence, characteristics, and risk factors of NAFLD in the Mashhad Persian Cohort Study population.

Method: The present population-based cross-sectional study included all PERSIAN Organizational Cohort study in Mashhad University of Medical Sciences (POCM), Mashhad, Iran by census sampling method.

Multiple renal angiomyolipomas with asymptomatic nontraumatic pulmonary fat embolus: A case report.

Although retroperitoneal bleeding and massive hematuria are potential complications of angiomyolipoma (AML), the pulmonary embolism as a presenting symptom is extremely rare. It is important to be aware that benign AMLs can present with pulmonary fat embolism.

Temporal changes of lung computed tomography findings pulmonary COVID-19 infection.

Objectives: COVID-19 infection demonstrates characteristic findings in chest CT. The optimal timing of repeated CT scans still needs to be clarified, and the optimal time to assess imaging clearance in COVID-19 is still unknown. It is crucial to have a roadmap of the imaging course of COVID-19 pneumonia to develop guidelines for prompt diagnosis of pulmonary complications, especially fibrosis, at the earliest stage.

Evaluation of Normal Renal Size and its Influencing Factors: A Cross-Sectional Study on the Adult Population of Mashhad.

Background: The normal range of kidney size is a controversial issue among different populations given to its impressibility by multiple factors, therefore, this study aimed to provide valid reference ranges for kidney dimensions in the adult population of Mashhad. Also, we assessed the association of kidney size characteristics with some personal predisposing factors.

Methods: This cross-sectional study was conducted on 938 healthy individuals.

Decreased Pulmonary Artery Bifurcation Angle: A Novel Imaging Criterion for the Diagnosis of Chronic Pulmonary Thromboembolism.

Background: Chronic pulmonary thromboembolism (CTEPH) is an unusual complication of acute pulmonary embolism (PE), which is now considered to be treatable. In modern multi-detector scanners, a detailed evaluation of pulmonary artery geometry is currently possible. This study aimed to evaluate the changes in pulmonary artery bifurcation angle (PABA) in the follow-up computed tomography angiography (CTA) of patients with acute PE.

Oncogenic fusion transcript analysis identified ADAP1-NOC4L, potentially associated with metastatic colorectal cancer.

Purpose: Fusion transcripts are transcriptome-mediated alterations involved in tumorigenesis and are considered as diagnostic, prognostic, and therapeutic biomarkers. In metastatic colorectal carcinoma (mCRC), fusion transcripts are rarely reported. The main challenge is to identify driver chimeras with a significant role in cancer progression.

Relationship between the prevalence and severity of non-alcoholic fatty liver disease and coronary artery disease: Findings from a cross-sectional study of a referral center in northeast Iran.

Background And Aim: Non-alcoholic fatty liver disease (NAFLD) is becoming increasingly prevalent worldwide, and cardiovascular diseases are the most common cause of death in NAFLD patients. The present study aimed to evaluate the possible relationship between the presence and severity of NAFLD and coronary artery disease (CAD).

Methods: A cross-sectional study was conducted on 296 patients (122 men and 174 women, with mean age 54.

A Multicenter Survey on the Trend of Chest CT Scan Utilization: Tracing the First Footsteps of COVID-19 in Iran.

Background: Chest computed tomography (CT) scan has been used widely to diagnose COVID-19 in Iran.

Objectives: To trace the footsteps of COVID-19 in Iran by exploring the trend in using chest CT scans and its economic impact on radiology departments. Methods: In this cross-sectional study, the number of imaging examinations from 33 tertiary radiology departments in 9 large cities of Iran was collected from September 23, 2019 to March 20, 2020 (Months 1 to 6) and the corresponding months in 2018-2019.

The burden and predisposing factors of non-communicable diseases in Mashhad University of Medical Sciences personnel: a prospective 15-year organizational cohort study protocol and baseline assessment.

Background: The rising burden of premature mortality for Non-Communicable Diseases (NCDs) in developing countries necessitates the institutionalization of a comprehensive surveillance framework to track trends and provide evidence to design, implement, and evaluate preventive strategies. This study aims to conduct an organization-based prospective cohort study on the NCDs and NCD-related secondary outcomes in adult personnel of the Mashhad University of Medical Sciences (MUMS) as main target population.

Methods: This study was designed to recruit 12,000 adults aged between 30 and 70 years for 15 years.

Evaluation of the relationship between inpatient COVID-19 mortality and chest CT severity score.

Objectives: There is scarce data available on the prognostic application of chest CT. The main purpose of this study was to evaluate the performance of a semi-quantitative CT severity score in identifying the risk of mortality in COVID-19 patients.

Methods: This retrospective cohort study was performed on 262 hospitalized COVID-19 patients.

Local recurrence of renal cell carcinoma presented with massive gastrointestinal bleeding: management with renal artery embolization.

Background: Gastrointestinal bleeding from renal cell carcinoma metastasis is an uncommon manifestation of tumor recurrence and is usually difficult to control. Palliative trans-catheter embolization to control the bleeding has been used and described in the literature.

Case Presentation: The present report describes a 62- years-old male with local recurrence of RCC who presented with upper GI bleeding as the primary manifestation 10 years after right-sided partial nephrectomy.

A new dataset of computed-tomography angiography images for computer-aided detection of pulmonary embolism.

The lack of publicly available datasets of computed-tomography angiography (CTA) images for pulmonary embolism (PE) is a problem felt by physicians and researchers. Although a number of computer-aided detection (CAD) systems have been developed for PE diagnosis, their performance is often evaluated using private datasets. In this paper, we introduce a new public dataset called FUMPE (standing for Ferdowsi University of Mashhad's PE dataset) which consists of three-dimensional PE-CTA images of 35 different subjects with 8792 slices in total.

Pain in percutaneous liver core-needle biopsy: a randomized trial comparing the intercostal and subcostal approaches.

Purpose: Effective pain control during and after percutaneous core needle liver biopsy is important with regard to ethical considerations and patient comfort. In this randomized double-blind study, we compared post-biopsy pain in the patients undergoing liver core-needle biopsy using either subcostal or intercostal approaches.

Methods: All patients referred for ultrasound-guided CNLB between July 2017 and January 2018 to our interventional radiology department were randomized into two groups.

Impact of Propranolol on Preventing Renal Dysfunction in Patients with Cirrhosis.

BACKGROUND One of the earliest diagnostic signs of hepatorenal syndrome in patients suffering from liver cirrhosis is an increase in the renal vascular resistive index (RI). In this study, the impact of propranolol on decreasing this index and to postpone the probability of hepatorenal syndrome has been investigated. METHODS In the current research, 30 patients with liver cirrhosis with different age and sexes have been enrolled.

Hemorrhagic Colloid Cyst Presenting with Acute Hydrocephaly.

Colloid cysts are benign slow-growing cystic lesions located on the roof of the third ventricle that usually present with symptoms related to gradual rise of intracranial pressure. They mostly remain asymptomatic and sometimes grow progressively and cause diverse symptoms associated with increased intracranial pressure such as headache, diplopia, and sixth cranial nerve palsy. Here we report a 47-year-old female who presented to the emergency department with acute severe headache and nausea/vomiting.

Evaluation of the Success Rate of Ultrasound-guided Transjugular Liver Biopsy (TJLB) and the Associated Complications.

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 consecutive patients, undergoing TJLB at Imam Reza Hospital, affiliated to Mashhad University of Medical Sciences, from April 2010 to March 2011.

Diagnostic value of computerized tomography venography in detecting stenosis and occlusion of subclavian vein and superior vena in chronic renal failure patients.

Introduction: Currently, venography is the standard diagnostic method to examine veins before implementing access, which is invasive in nature. Computerized tomography venography (CTV) can simultaneously indicate deep and superficial venous systems in the upper extremity and their relation to the surrounding anatomical structures; however, its diagnostic value in the detection of central venous disease has yet to be defined. The aim of this study was to determine the diagnostic value of CT venography compared to venography in the diagnosis of stenosis and the occlusion of subclavian veins and the superior vena in renal failure patients.

Effects of Intravenous and Catheter Directed Thrombolytic Therapy with Recombinant Tissue Plasminogen Activator (Alteplase) in Non-Traumatic Acute Limb Ischemia; A Randomized Double-Blind Clinical Trial.

Objective: To evaluate the efficacy and safety of intravenous and catheter directed thrombolysis by recombinant tissue plasminogen activator (Alteplase) in the patients with non-traumatic acute limb ischemia (ALI).

Methods: This was a randomized clinical trial being performed between 2009 and 2011 in Mashhad University of Medical Sciences. We included those patients who were<75 years, with symptoms of less than 14 days duration, ALI of grade IIa and IIb (according to Rutherford classification) and absence of distal run off.

Association between clinical and sonographic synovitis in patients with painful knee osteoarthritis.

Aim And Objective: To evaluate the association between ultrasonographic findings of inflammation (effusion, synovitis) and clinical findings in patients with primary painful knee osteoarthritis.

Method: This cross-sectional study was performed on 142 patients with primary painful knee osteoarthritis (American College of Rheumatology criteria) in whom the visual analogue scale of pain was 30 or more. Clinical parameters were evaluated by a rheumatologist using Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score while the ultrasonographic examination was performed by a musculoskeletal radiologist in our center.

Effect of saffron on liver metastases in patients suffering from cancers with liver metastases: A randomized, double blind, placebo-controlled clinical trial.

Objective: Cancer represents the second cause of mortality in the world. Saffron as a medicinal plant is known for its anti-cancer and anti-depressant properties. In this randomized double blind clinical trial, the effects of saffron on response to treatment in patients suffering from liver metastasis were evaluated.

Diagnostic accuracy of ultrasonography in detection of blunt abdominal trauma and comparison of early and late ultrasonography 24 hours after trauma.

Objective: Despite the advantages of ultrasound scan, its use as a screening tool in blunt abdominal trauma is controversial. The aim of this study was to evaluate the diagnostic value of early and late ultrasound in patients with blunt abdominal trauma (BAT).

Methods: In this study which was performed in a level I trauma center, firstly, 2418 patients with BAT had ultrasound (US) examination by two trauma expert radiologists.

Comparing color Doppler ultrasonography and angiography to assess traumatic arterial injuries of the extremities.

Background: 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.

Hepatic alveolar echinococcosis.

 Alveolar hydatid disease is a highly malignant form of echinococcosis caused by the larvae of the cestode echinococcus multilocularis. Alveolar hydatid disease always affects the liver and can metastasise to the lung and brain. Early diagnosis and precise evaluation of the localization as well as the extent of lesions are essential for treatment.

Diagnostic value of color doppler ultrasonography in detecting stenosis and occlusion of central veins in patients with chronic kidney disease.

Venography is an invasive diagnostic test that uses contrast material that provides a picture of the condition of the veins. But, complications, including adverse effects on the kidney, do occur. On the other hand, with the current technological development, application of ultrasound in the diagnosis of obstructive diseases of the veins is gaining popularity, being non-invasive, easy to perform and cost-effective.

Primary Osteosarcoma of the Sternum: A case Report and Review of the Literature.

Osteosarcoma (osteogenic sarcoma: OS) is the most common primary malignant bone tumor of long bones, whereas primary osteosarcoma of chest wall, especially in sternum, is extremely rare. We report a 57-year-old man with an immobile slow growing mass located in the middle of the sternum. The patient had no significant pain or tenderness and the past medical history was not remarkable.