CT

Even healthy patients with low cholesterol are at a greater risk of heart attack or stroke if their CT scans show calcium buildup in their coronary arties, a new study has found.

"Picturing Science: Museum Scientists and Imaging Technologies," an exhibition of more than 20 sets of striking large-format prints, showcases advanced imaging technologies used by scientists at the American Museum of Natural History and reveals once-hidden, intricate details of both natural phenomena and cultural artifacts.

The dramatic increases in the use of Multidetector CT scanners (MDCT) prior to surgery in cases of acute appendicitis appear justified by their diagnostic abilities, a new study suggests.

It's now possible to diagnose strokes from scans sent to a smart-phone, using a newly developed Candian app. Researchers found that the sensitivity and specificity of detecting intraparenchymal hemorrhage were 100 percent for the iOS device.

CT colonography is a better screening test than optical colonoscopy (OC), according to a new study published in the May Radiology print issue. Using meta-analysis of studies done over a 15 year period, authors found that the sensitivity of CT colonography for colorectal cancer detection was 96.1 percent, compared with 94.7 percent for OC.

The use of CT scans on children in the emergency room has risen more than fivefold since 1995, according to a study coming out this week in Radiology online, to be published in the June print issue.

The use of CT scans on children in the emergency room has increased fivefold since 1995, raising concerns about radiation exposure.

HealthDay News - Multidetector CT more accurate than single-detector CT in diagnosing small cerebral aneurysms

NeuroLogica Corp. has received FDA approval for their portable, full-body, multi-slice CT scanner known as the BodyTom, the company announced this week.

As the devastation following the earthquake, tsunami, and nuclear disaster in Japan continue to unfold, radiologists in the U.S. are lending their expertise and assistance.

HealthDay News - Study also finds abnormalities on scans tied to lesser amount of emphysema among smokers

PET hybrid technologies are already hot, and two innovations discussed during the final session of ECR 2011 are aimed at making them more even powerful and efficient.

HealthDay News - Younger patients and those on transplant list receive highest doses of imaging-related radiation

HealthDay News - Improved sensitivity and diagnosis compared with enterography for patients without stenosis

HealthDay News - Computerized tomography (CT) determines proximal stone burden better than plain film X-rays do in patients with encrusted and retained ureteral stents, according to a study published in the February issue of The Journal of Urology.

A study from MD Anderson shows that, in assessing the appropriate CT dose, a lot of less may be more.

To reduce discomfort and damage to frail internal tissues in elderly patients, gastroenterologists may perform CT colonography with minimal preparation.

After learning of the CT scan outcomes, physicians changed their diagnoses for 49 percent of patients, and changed management plans for 42 percent, according to a recent study. Doctors decreased the number of those who were initially going to be kept for observation by 44 percent, while 20 percent of patients who were to be admitted were sent home instead.

Two new reports reveal on the risks of radiation damage to sensitive tissues among women undergoing CT angiography of the heart.

GE Healthcare announced recently that the FDA has approved the first imaging agent to help physicians in evaluating neurodegenerative movement disorders.

A small study reveals that perfusion CT findings of blood-brain barrier permeability above a specified volume at the time of admission in patients over the age of 65 treated with tPA can predict two “feared complications”-symptomatic hemorrhagic transformation and malignant edema-with 100 percent sensitivity and specificity.

Top news from a featured radiology search on SearchMedica: hepatocellular carcinoma - "Contrast-enhanced ultrasound for characterisation of hepatic lesions appearing non-hypervascular on CT in chronic liver diseases"

CT protocols for ischemic stroke can be expanded to cover the heart as well as the head and neck, obviating other imaging tests that may be necessary to pinpoint the source of the stroke, a new study finds.

Taste matters when it comes to oral contrast agents, and may affect patient compliance, according to a new study. Patients preferred diluted oral contrast agent iohexol (GE Healthcare’s Omnipaque) to diluted diatrizoate sodium (Mallinckrodt’s Gastroview) when undergoing abdominopelvic CT scanning.

The National Cancer Institute released initial results from a large-scale clinical trial showing lung cancer screening with low-dose CT reduced mortality by 20% when compared to standard chest x-rays.

A molecular imaging technique may prove useful in early assessment of treatment response for cisplatin-resistant ovarian cancer, according to a study published in the Journal of Nuclear Medicine.

CT perfusion for stroke leaped from clinical discussion forums to the front pages in the last 13 months.

Two new DNA-based tests could noninvasively detect colon cancer, but it is unlikely they will replace CT colonography, according to experts. If anything, the tests could replace the fecal occult blood test currently in use.

PET with CT colonography provides an alternative for detecting polyps and cancer in the colon, according to a study published in the Journal of Nuclear Medicine.

Researchers in the radiation oncology department at UCLA’s Jonsson Comprehensive Cancer Center have received a $14 million grant to develop countermeasures that will help treat damage caused by radiological or nuclear threats such as a dirty bomb attack.