Search Tag: MRI
Radiomics in magnetic resonance imaging: the need for standardisation
2018 06 Jun
Radiomics is a hot topic in radiology. A steadily increasing number of researchers across the globe is engaging in radiomics and applying it to a large number of imaging data. “Radiomics” means the extraction of a large number of quantitative imaging features from routinely acquired imaging data (e.g, x-ray, ultrasound, CT, MRI, PET) in order to... Read more
MRI: rapid determination of implant safety status
2018 02 May
Safety screening is an essential prerequisite to magnetic resonance imaging (MRI). Radiologist approval is often required to determine whether MRI can proceed safely in patients with medical and cosmetic devices or embedded foreign bodies. Although many sources of safety information are available online, MRI may be delayed or cancelled, especially... Read more
Both CT, MRI can accurately detect cerebral venous thrombosis
2018 02 May
Cerebral venous thrombosis (CVT) is a rare disease, and with poor prognosis. Computed tomography (CT) and magnetic resonance imaging (MRI) are the most commonly used image modalities for patients with non-specific neurologic symptoms. A new meta-analysis assessed the accuracy of CT and MRI in the differential diagnosis of CVT and cerebral venous sinus... Read more
Inappropriate CT and MRI use in hospitalised patients
2018 22 Feb
The use of diagnostic imaging has increased significantly over the past decade, and expensive technologies such as CT and MRI have been extensively introduced into several diagnostic procedures. While the clinical information acquired from their use may be beneficial to patients, these diagnostic tests also lead to increased healthcare costs. New research... Read more
MRI detects abdominal pregnancy better than ultrasonography
2018 23 Jan
Abdominal pregnancy is a rare type of ectopic pregnancy that is potentially life-threatening for both the mother and foetus. This dangerous medical condition can be easily missed in routine obstetric practice, even in routine antenatal ultrasonography. A new study in China highlights the importance of magnetic resonance imaging (MRI) in abdominal pregnancies,... Read more
Measuring exposure of workers in MRI environment
2018 17 Jan
Magnetic resonance imaging (MRI) facilities are important sources of multiple exposure to electromagnetic fields for both patients and healthcare staff. In an exploratory study, researchers conducted an exposure assessment and biomonitoring of MRI workers at the Radio-diagnostics Unit of the National Cancer Institute of Naples “Pascale Foundation”... Read more
Effect of epidural steroid injection on MRI findings
2017 22 Nov
Magnetic resonance imaging (MRI) of the spine is the preferred diagnostic tool for pathologic conditions affecting the spine. However, in patients receiving epidural corticosteroid injection (ESI) for treatment of spinal diseases, interpretation of MR images acquired after the injection might be confusing or impossible. According to a Korean study,... Read more
The utility of MRI for diagnosing angiomyolipoma
2017 14 Nov
According to new research, echogenic nonshadowing renal lesions larger than 4 mm seen at ultrasound should not be assumed to represent an angiomyolipoma (AML) without follow-up because a percentage of renal cell carcinomas will be missed. "Although certain ultrasound features can be useful in differentiating an AML from a renal cell carcinoma and CT... Read more
MRI and clinical outcome in carotid artery stenosis after revascularisation
2017 07 Nov
Researchers in Poland performed a prospective study to assess functional and cognitive outcome, with regard to cerebral flow on transcranial Doppler (TCD) and brain magnetic resonance imaging (MRI) in patients with symptomatic carotid artery stenosis (CAS) referred for carotid artery revascularisation (CAR). Their findings indicate that early revascularisation... Read more
New Metamaterial-Enhanced MRI Technique
2017 30 May
Scientists from Leiden University Medical Center in the Netherlands and ITMO University in Russia have designed and tested a new metasurface-based technology that can enhance the local sensitivity of MRI scanners on humans. This metasurface consists of thin resonant strips that are arranged periodically. When placed under the patient's head, this metasurface... Read more