Ultrasound News and Research

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Ultrasound is a procedure in which high-energy sound waves are bounced off internal tissues or organs and make echoes. The echo patterns are shown on the screen of an ultrasound machine, forming a picture of body tissues called a sonogram. Also called ultrasonography.

Silica nanoparticles shown to boost reflection of ultrasonic energy

Targeted nanoparticles may eventually help physicians detect the very earliest stages of cancer using readily available ultrasound equipment, a new study from investigators at The Ohio State University suggests.

9 May 2006

Image-guided kidney biopsy can diagnose benign kidney tumors and has a low rate of complications

For the study, 407 image-guided kidney lesion biopsies were performed in 377 patients using either CT, ultrasound, or a combination of both to guide a small needle through the skin of the patient to take a sample of the lesion.

3 May 2006

Percutaneous cryoablation is a safe method for treating kidney tumors

Percutaneous cryoablation, a relatively non-invasive technique that destroys tumors by freezing them, is a safe method for treating kidney tumors in selected patients who are not considered candidates for surgery, according to a new study by researchers from the Mayo Clinic in Rochester, MN.

3 May 2006

Percutaneous image-guided biopsy of renal masses is safe and accurate

For the study, the researchers reviewed 153 kidney biopsies in 126 patients. The researchers found that more than 60% of patients had a change in their treatment--whether surgery, tumor ablation, chemotherapy or radiation--due to biopsy results, and that as many as 75 unnecessary kidney removals were potentially avoided.

3 May 2006

CT angiography is highly accurate in detecting high-grade artery stenosis

MD-CTA (64-slice CT angiography) is highly accurate in detecting and grading extracranial internal carotid artery (ICA) stenoses in which the artery is closed between 70-90% when compared to color-coded Doppler sonography, power Doppler and B-flow ultrasound

3 May 2006

Ultrasound-guided, intra-tendonous injection of a dextrose solution effective in treating chronic tendonoses in the leg

Ultrasound-guided, intra-tendonous injection of a dextrose solution is a very effective treatment for certain chronic tendonoses in the leg, reported radiologists from the department of radiology at St. Paul's Hospital and the Department of Family Practice at the University of British Columbia both in Vancouver, BC.

3 May 2006

HCM detection rates doubled when genetic testing and imaging information are combined

Currently that genetic test correctly detects HCM only 40 percent of the time. But coupled with imaging information, the detection power of the test nearly doubles, to 79 percent, says Steve Ommen, M.D., director of Mayo's HCM Clinic and co-lead investigator of the Mayo Clinic research team.

28 Apr 2006

Doctors show concern over rising preterm births

Doctors in the BMJ have expressed concern over the apparent increase in preterm births. The concerns are based on research showing that preterm deliveries increased by 22% from 1995 to 2004. Even among low risk women aged 20-40, there was a 51% increase in early delivery.

25 Apr 2006

New test for heart disease

Building on years of research on the way that blood flows through the heart valves, researchers from the California Institute of Technology and Oregon Health Science University have devised a new index for cardiac health based on a simple ultrasound test.

18 Apr 2006

Imaging of breast cancer diagnosed and treated with chemotherapy during pregnancy

Ultrasound provides a safe and accurate method of detecting breast cancers in pregnant women, as well as assessing response to chemotherapy, according to a study appearing in the April issue of Radiology.

13 Apr 2006

A drink or two a day may be associated with better cognitive function in women

"Women who had up to two drinks a day scored about 20 percent higher on the Mini Mental State Exam (MMSE) than women who didn't drink at all or who consumed less than one drink a week," said Clinton Wright, M.D., M.S., lead author of the study.

13 Apr 2006

Long-term clinical follow up of children with primary vesicoureteric reflux

It is documented that vesicoureteric reflux (VUR) is a predisposing factor for UTI, which in turn may involve the kidney parenchyma and cause permanent renal scarring.

6 Apr 2006

Protein in urine may point to more sensitive screening tests for women with ovarian cancer

According to the National Cancer Institute, ovarian cancer causes more deaths than any other cancer of the female reproductive system. An estimated 20,180 new cases of ovarian cancer are expected in the United States this year.

4 Apr 2006

Radiofrequency ablation is as effective as surgery for small liver tumors

Three-year data shows that radiofrequency ablation is as effective as surgical resection for overall survival and tumor recurrence, for the treatment of single small hepatocellular carcinoma in patients with liver cirrhosis, according to a study presented at the Society of Interventional Radiology's 31st Annual Scientific Meeting.

4 Apr 2006

Shape and function of the heart improves with apnea treatment

Patients with obstructive sleep apnea have enlarged and thickened hearts that pump less effectively, but the heart abnormalities improve with use of a device that helps patients breathe better during sleep, according to a new study in the April 4, 2006, issue of the Journal of the American College of Cardiology.

4 Apr 2006

Three-dimensional ultrasound probes poised to advance minimally invasive surgery

Three-dimensional ultrasound probes built by researchers at Duke's Pratt School of Engineering have imaged the beating hearts of dogs. The engineers said their demonstration showed that the probes could give surgeons a better view during human endoscopic surgeries in which operations are performed through tiny "keyhole" incisions.

4 Apr 2006

Pigs help study of links between polycystic ovary syndrome, obesity, cardiovascular disease and diabetes

Despite the exaggerated, wrinkly snout and long, coarse, spiky hair reminiscent of the 1980s television space alien ALF, some very special swine are helping researchers at Purdue and Indiana universities understand human infertility, diabetes and cardiovascular disease.

4 Apr 2006

Targeting the inflamed synovium: The quest for specificity

In the April 2006 issue of Arthritis & Rheumatism, noted rheumatology specialists with Kings College London, Dr. Toby Garrood and Dr. Costantino Pitzalis offer an overview of recent breakthroughs and a preview of future directions in this critical quest for specificity.

4 Apr 2006

Determining the risk of ovarian malignancy in postmenopausal women with abnormal findings in the PLCO screening trial

Reporting on the largest study of its kind today at the Society of Gynecologic Oncologists 37th Annual Meeting on Women's Cancer, researchers presented new criteria for detecting ovarian cancer malignancy in postmenopausal asymptomatic women, 55 to 74 years old.

28 Mar 2006

Positron emission tomography identifies esophageal cancer patients who will respond well to treatment

New research at Wake Forest University Baptist Medical Center shows that Positron Emission Tomography (PET) is more accurate than conventional imaging in identifying patients who have good responses to chemotherapy and radiation treatment - a finding that could one day help some patients avoid surgery.

22 Mar 2006

Ultrasound News and Research

Further Reading

Silica nanoparticles shown to boost reflection of ultrasonic energy

Image-guided kidney biopsy can diagnose benign kidney tumors and has a low rate of complications

Percutaneous cryoablation is a safe method for treating kidney tumors

Percutaneous image-guided biopsy of renal masses is safe and accurate

CT angiography is highly accurate in detecting high-grade artery stenosis

Ultrasound-guided, intra-tendonous injection of a dextrose solution effective in treating chronic tendonoses in the leg

HCM detection rates doubled when genetic testing and imaging information are combined

Doctors show concern over rising preterm births

New test for heart disease

Imaging of breast cancer diagnosed and treated with chemotherapy during pregnancy

A drink or two a day may be associated with better cognitive function in women

Long-term clinical follow up of children with primary vesicoureteric reflux

Protein in urine may point to more sensitive screening tests for women with ovarian cancer

Radiofrequency ablation is as effective as surgery for small liver tumors

Shape and function of the heart improves with apnea treatment

Three-dimensional ultrasound probes poised to advance minimally invasive surgery

Pigs help study of links between polycystic ovary syndrome, obesity, cardiovascular disease and diabetes

Targeting the inflamed synovium: The quest for specificity

Determining the risk of ovarian malignancy in postmenopausal women with abnormal findings in the PLCO screening trial

Positron emission tomography identifies esophageal cancer patients who will respond well to treatment

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