Large cohort supports ultrasound for endometrial cancer scans
December 20th 2010Transvaginal ultrasound demonstrates good sensitivity and specificity for detecting endometrial cancer, a study from the University College, London. finds. But that doesn’t mean it’s suited for use in the general population just yet. The researchers found transvaginal ultrasound is better for high-risk groups prone to endometrial cancer, and especially in the management of postmenopausal women undergoing pelvic scans for reasons other than vaginal bleeding.
State of Minnesota adopts clinical decision support, other states to follow
December 6th 2010Minnesota is in the vanguard as far as implementing clinical decision support, a tool that tamps down overutilization and reduces the incidence of patients receiving inappropriate diagnostic imaging tests. Minnesota is launching a statewide initiative to adopt the tool; others states are also considering its use.
Patients with invasive lobular carcinoma should get MRI screening, study finds
December 2nd 2010A study presented Wednesday at the RSNA meeting adds further evidence to the recommendation women with newly diagnosed invasive lobular carcinoma should have their contralateral breast screened with MRI. Most women aren’t routinely screened in the contralateral breast because whether to do so is highly dependent on the surgeon’s preference. This research, however, provides more evidence why they should: MRI detected synchronous breast cancers in 16% of patients.
HiSS imaging challenges contrast MRI for tumor characterization
November 30th 2010A new approach that detects breast cancer vasculature is making an appearance at the 2010 RSNA meeting. The method, called high spectral and spatial resolution, or HiSS, uses water to detect tumor blood vessels without contrast.
Radiologists may use lower voltage in CT exam for pulmonary embolism
November 30th 2010Using 80-kVp CT pulmonary angiography for patients suspected of CT pulmonary embolism reduces radiation exposure, significantly increases contrast medium attenuation in the pulmonary arteries, and doesn’t look much different from standard dose, according to a study presented Tuesday at the RSNA meeting.
iPhone displays excellent image quality for stroke patients
November 29th 2010The iPhone has excellent image quality and allows for accurate interpretation of telestroke cases, according to a study presented Monday at the RSNA 2010 meeting. The major pitfalls of using the mobile device have to do with time: the download speed is slow and so is the time it takes to interpret the image.
Researchers combine optical, x-ray tomo techniques to better ID breast cancer
November 15th 2010Combining digital breast tomosynthesis and a laser-based technique called diffuse optical tomography, radiologists may be better able to distinguish malignant from benign lesions in the breast, according to a new study.
Taste of oral contrast agent affects patient compliance, radiology experience
November 11th 2010Taste 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.
Ultrasound can detect aneuploidy, structural fetal anomalies in first trimester
November 1st 2010Not only is it possible to detect aneuploidy and structural fetal anomalies with sonography during the first trimester, but doing so allows for better treatment options, according to a study published in the Journal of Ultrasound in Medicine.
Radiologists question whether to treat small pulmonary emboli
October 29th 2010Nearly two years after a paper titled “Dots are not clots: the over-diagnosis and over-treatment of pulmonary embolism” was presented at the RSNA meeting, radiologists are still debating when to put patients on anticoagulation therapy.
CT colonography not threatened by DNA-based cancer detection tests, experts say
October 29th 2010Two 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.
Learning curve for spotting ectopic pregnancy with ultrasound sparks debate
October 22nd 2010Debate continues in the medical community about how many exams it takes before a physician is proficient in identifying ectopic pregnancy with ultrasound. The American Institute of Ultrasound in Medicine recommends at least 300 sonographic examinations for obstetric indications. The American College of Emergency Physicians recommends a minimum of 25 exams in each emergency bedside sonography indication. A new study finds 25 exams are not enough, but 300 are probably too many.