Search Tag: CT scans

IMAGING Management

Terarecon-and-whiteclouds-provide-3d-print-for-rhinoceros-surgery-at-chicago-zoo

2018 17 May

In preparation for a recent surgery on rhinoceros, Layla, at Brookfield Zoo in Chicago, Illinois, medical imaging software provider, TeraRecon, and 3D Printing manufacturer, WhiteClouds utilized their technologies to help veterinary surgeons prepare.  Layla is a 2,300lb., 7-year-old Eastern Black Rhinoceros with an impacted molar tooth and associated...Read more

IMAGING Management

Nodule-risk-estimation-in-screening-ct-computer-model-vs-human-observers

2017 22 Nov

A new study sought to compare human observers to a mathematically derived computer model for differentiation between malignant and benign pulmonary nodules detected on baseline screening computed tomography (CT) scans. The study findings show that the computer model (PanCan) and human observers perform equivalent for differentiating malignant from...Read more

IMAGING Management

Cts-detect-frailty-predict-survival

2017 06 Jun

Findings from a new study conducted by radiologists at UC Davis and Wake Forest Bapist medical centres suggest that using computed tomography (CT) to evaluate muscle health may help identify optimal treatments for older patients who fall and break their hips. The study is published in the American Journal of Roentgenology. This is the first study...Read more

IMAGING Management

Diagnosing-head-injuries-in-children

2017 21 Apr

A large-scale, multicenter validation study was conducted to assess the diagnostic accuracy of three clinical decision rules used by emergency doctors. The objective was to determine if it was possible to reduce unnecessary CT scans and radiation exposure in children with head injuries. The outcomes from the trial are published in The Lancet. See...Read more

IMAGING Management

Sestamibi-spect-ct-scan-improves-kidney-cancer-diagnosis

2017 21 Apr

According to results from a series of studies led by researchers at Johns Hopkins Medicine, the addition of a noninvasive imaging test called 99mTc-sestamibi SPECT/CT to CT or MRI increases the accuracy of kidney tumour classification. The researchers believe that using this test could improve diagnostic accuracy and could spare thousands of patients...Read more

IMAGING Management

Balancing-radiation-doses

2017 14 Apr

According to a new study, radiation doses for common CT scans can be safely and effectively reduced and more consistently administered by assessing and comparing doses across hospitals. The study is published in JAMA Internal Medicine. See Also : Assessment of Radiation Dose Reduction Awareness Over the last decade, there has been a steady...Read more

Cardiology Management

5-tests-for-better-heart-disease-risk-prediction

2017 06 Apr

Five simple medical tests – an EKG, a limited CT scan, and three blood tests – together provide a broader and more accurate assessment of heart-disease risk than currently used methods, according to cardiologists at UT Southwestern Medical Center. The findings are published in the journal Circulation. See Also : How Diabetes Increases Heart Attack...Read more

IMAGING Management

Key-reasons-for-repeated-ct-in-trauma-transfers

2017 24 Jan

Trauma patients often undergo repeated CT scans when being initially examined in another hospital and then are being transferred to a trauma centre, according to a Swiss study published in European Journal of Radiology. Problems with the CT image data transfer were identified as the main reason for CT repetition. See Also : CT for Atraumatic Headache...Read more

IMAGING Management

Surge-in-ct-for-minor-injuries-in-california

2016 19 Jan

A new study shows increased use of CTs in patients with non-serious injuries, such as fractures or neck strain, treated in emergency departments at California hospitals. The UCSF-led study, which tracked the use of the imaging from 2005 to 2013, found that CTs were more likely to be ordered in hospitals that were designated high-level trauma centres....Read more

IMAGING Management

Lower-dose-lower-contrast-possible-for-cta-scans

2015 26 Dec

A CTA scan (a scan of the arteries) can be performed with a contrast medium volume reduction of up to 75 percent and up to 50 percent reduction in radiation dose, according to a new study from the University of Twente in Enschede, Netherlands. Researchers say the study's results can almost directly be applied in hospitals today, thus providing enormous...Read more

IMAGING Management

Rsna15-conjoined-twins-role-of-ct-3d-printing

2015 03 Dec

In a first, researchers have used CT imaging and 3D printing in the surgical planning for separation of conjoined twins, according to a study presented on Wednesday, 2 December, at the annual meeting of the Radiological Society of North America (RSNA). The 3D models proved to be an excellent source of information, as there were no major discrepancies...Read more

ICU Management

Doctor-patient-relationship-is-key-to-reducing-ct-scan-overuse-in-ed

2015 23 Nov

In emergency department settings, overuse of computed tomography (CT) for minor head injury continues despite rigorously validated clinical decision rules like the Canadian CT Head Rule (CCHR). Medical experts say one in every three CT scans performed on patients with minor head injury is unnecessary. New research from Yale University has found that,...Read more

IMAGING Management

Reduced-ct-usage-for-common-childhood-diagnoses

2015 27 Aug

Researchers in the U.S. have found a significant decline in the use of computed tomography (CT) scans at children's hospitals for 10 common childhood diagnoses including seizure, severe head trauma and upper respiratory tract infection. They say that alternative imaging modalities such as MRI and ultrasound are being used more frequently for eight of...Read more

IMAGING Management

New-ct-programme-for-lung-cancer-diagnosis

2015 13 Jul

Intermountain Medical Center's (Utah, USA) new lung cancer screening programme that uses CT technology provides long-time smokers and past smokers a more accurate way of detecting whether or not they have the disease. The programme is based on the findings of the National Lung Screening Trial, a study that compared CT scans and standard chest X-rays...Read more

IMAGING Management

Studies-linking-cancer-to-medical-imaging-radiation-flawed

2015 02 Jul

Studies purporting to show a link between cancer and medical imaging radiation are flawed because of their reliance on an unproven statistical model, according to a report published in the journal Technology in Cancer Research & Treatment . “Although radiation is known to cause cancer at high doses and high-dose rates, no data have ever unequivocally...Read more

IMAGING Management

Low-dose-ct-screening-needed-to-reduce-mortality-from-lung-cancer

2015 12 May

ESR/ERS: White paper on lung cancer screening A joint publication by two major medical societies - the European Society of Radiology (ESR) and the European Respiratory Society (ERS) - advocating the use of low-dose computed tomography to reduce mortality from lung cancer was published on April 30 in their scientific journals, European Radiology and...Read more

IMAGING Management

Better-ct-scans-improve-disease-insight

2015 11 May

Compact light source (CLS), a commercial x-ray source developed only recently, enables computer tomography (CT) scans that reveal more detail than routine scans performed at hospitals today, a new study has shown. The new x-ray technology could soon be used in preclinical studies and help researchers better understand cancer and other diseases. "Our...Read more

IMAGING Management

Lower-smoking-rate-but-higher-lung-cancer-mortality

2015 26 Feb

A decrease in smoking rates may mean that many people who could have benefited from early detection of lung cancer are dying because they do not qualify for low-dose CT scans, according to a Mayo Clinic-led study reported in JAMA . Lung cancer screening using low-dose computed tomography is recommended for high-risk individuals by professional associations,...Read more

ICU Management

Novel-eye-tracking-tool-detects-head-injury-severity

2015 04 Feb

A novel eye-tracking device has enabled researchers at NYU Langone Medical Center to effectively measure the severity of concussion or brain injury in patients following head trauma. They say this unique, simple and objective diagnostic tool for concussion can be utilised in the emergency room or, one day, on the sidelines at sporting events. "Our...Read more

IMAGING Management

Quality-initiatives-involving-nonphysician-providers-in-radiology

2015 02 Feb

Quality is a multifaceted endeavour, which is very important and complex in medical imaging. Engaging many different individuals in the radiology department is necessary to improve quality and service for patients. A recent study published in the Canadian Association of Radiologists Journal aimed to assess three new quality initiatives in radiology...Read more

IMAGING Management

Reducing-imaging-scans-for-headaches-may-delay-diagnosis

2014 30 Dec

According to an article published in the January issue of Neurosurgery , recent guidelines that seek to reduce the use of neuroimaging tests for patients with headaches run the risk of either missing or delaying the diagnosis of brain tumours. The article was written by Neurosurgeon Dr. Ammar H. Hawasli and colleagues of Washington University School...Read more

IMAGING Management

Medicare-to-cover-low-dose-ct-screening-for-lung-cancer

2014 13 Nov

The Centers for Medicare and Medicaid Services (CMS) announced this week its proposal for low-dose computed tomography (CT) scans to become a covered service in the screening of high-risk patients for lung cancer. Patients must be between the ages of 55 and 74, and be a current smoker or one who quit within the past 15 years. They must have smoked...Read more

IMAGING Management

X-ray-phase-tomography-enhanced-with-synchrotron-radiation

2014 23 Oct

A recent study has confirmed the effectiveness of x-ray phase tomography with synchrotron radiation in detecting cancerous tissue in a mouse model. "Phase-contrast imaging" produced images with much enhanced contrast, making a clear differentiation between cancerous tissue and healthy tissue, according to researchers. The findings have been reported...Read more

IMAGING Management

Cardiac-imaging-may-pose-radiation-risk

2014 04 Oct

According to a recent statement by the American Heart Association, doctors should ensure that patients understand the radiation-related risks of heart imaging tests before they undertake the procedures. These heart imaging tests may include nuclear stress tests, cardiac CT scans and fluoroscopy.  According to Dr. Rana Fazel, MD, MSc, chair of...Read more

Cardiology Management

Aha-to-clinicians-know-the-radiation-risks-of-heart-imaging

2014 01 Oct

The American Heart Association (AHA) has issued a new scientific statement stressing the importance of clinicians to understand the risks of heart imaging involving radiation and to discuss these with patients before ordering such tests. The advisory came out amidst increasing reliance on the use of medical imaging to diagnose and treat patients with...Read more

IMAGING Management

Mri-in-cervical-spine-clearance

2014 05 Aug

If the diagnosis of a cervical spine injury is missed in patients, it can result in devastating consequences. In some cases, CS injuries cannot be ruled out clinically using the National Emergency X-Radiography Utilisation Study low-risk criteria either because of a neurologic deficit or pain, and there may be a need to use other imaging tools. However,...Read more

IMAGING Management

Paediatric-appendicitis-algorithm-reduces-ct-scan-use

2014 05 Aug

A study recently published in the journal Surgery and conducted by researchers of the Mayo Clinic Children’s Center, highlights that an algorithm designed to aid the diagnosis of appendicitis in paediatric patients lowers the use of computed tomography (CT) scans. The most frequent reason for acute abdominal pain in children, acute appendicitis is...Read more

IMAGING Management

Boston-marathon-bombings-emergency-radiology-response-assessment

2014 15 Jul

A review of the Brigham and Women's Hospital emergency radiology response to the Boston Marathon bombings in April 2013 underscores the vital role medical imaging plays in emergency situations. At the same time, the new study focuses on how radiology departments can improve their preparedness for mass casualty events. As a Level 1 trauma centre,...Read more

IMAGING Management

New-benchmark-dome-s6c-led-color-radiology-display-launched

2014 03 Jul

NDS Surgical Imaging (NDSsi) has released its new Dome® S6c widescreen color 6MP diagnostic display, now in production. The newest member of the S-series product family, the Dome S6c offers LED-backlight technology, grayscale and color imaging, and 30-inch widescreen viewing. With a native resolution of 3280 x 2048, the Dome S6c is ideal for...Read more

IMAGING Management

Siemens-user-group-provides-insight-on-ct-practices

2014 01 Jul

Clinicians from across the UK recently gathered in Winchester to attend a two-day CT user group hosted by Siemens Healthcare. Nine speakers from hospitals across the UK presented the latest findings on CT to help improve routine clinical practice.  Topics covered included Dual Energy CT, enhanced specifications on Siemens systems and experiences in...Read more