Radiology News and Research

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Radiology is the medical specialty directing medical imaging technologies to diagnose and sometimes treat diseases. Originally it was the aspect of medical science dealing with the medical use of electromagnetic energy emitted by X-ray machines or other such radiation devices for the purpose of obtaining visual information as part of medical imaging.

A blood test for thyroid cancer can detect persistent or recurrent disease even before doctors can find any trace of a tumor

The study, by researchers at The Ohio State University Comprehensive Cancer Center – Arthur G. James Cancer Hospital and Richard J. Solove Research Institute (OSU CCC – James), examined how well a test for thyroid cancer can predict whether the disease will recur.

27 Jun 2005

New discoveries in treatment for patients with non-Hodgkin's lymphoma

Three scientific studies - each highlighting new discoveries in treatment for patients with non-Hodgkin's lymphoma - were announced at the Society of Nuclear Medicine's 52nd Annual Meeting June 18–22 in Toronto.

20 Jun 2005

PET might be a promising tool for early prediction of response to chemotherapy for ovarian can

Noninvasive positron emission tomography (PET) imaging may allow earlier prediction of a patient's response to chemotherapy for ovarian cancer, according to research reported at the Society of Nuclear Medicine's 52nd Annual Meeting June 18–22 in Toronto.

20 Jun 2005

Radiofrequency ablation (RFA) is an effective, longlasting treatment for small kidney tumors in selected patients

Massachusetts General Hospital (MGH) researchers have shown that radiofrequency ablation (RFA) - a minimally invasive way of destroying tissue - is an effective, longlasting treatment for small kidney tumors in selected patients.

20 Jun 2005

Arterial spin labeling distinguishes between Alzheimer's disease and frontotemporal dementia

A non-invasive magnetic resonance imaging (MRI) technique called arterial spin labeling is just as accurate as invasive scanning techniques in distinguishing Alzheimer's disease from frontotemporal dementia (FTD) in the brains of elderly people, according to a new study at the San Francisco VA Medical Center (SFVAMC).

19 Jun 2005

MRI measurement of breast tumor volume predicts whether a patient's cancer will return

The study, performed at the University of California-San Francisco, of 58 breast cancer patients found that the best way to predict a patient's recurrence-free survival is to review the initial MR examination (before the patient has chemotherapy) and the final MR examination (after chemotherapy has been completed).

16 Jun 2005

Aortic disease difficult to diagnose

Aortic disease kills nearly 15,000 people in the United States each year, but the rarity and complexity of this deadly disorder make accurately diagnosing it difficult for doctors in the health-care trenches, University of Florida researchers have found.

15 Jun 2005

Digital mammography no better than traditional film X-rays in the ability to detect cases of breast cancer

Digital mammography provides no clear-cut improvements over traditional film X-rays in the ability to detect cases of breast cancer, says a new technology assessment report. The technology does, however, offer other benefits, including slightly lower radiation doses for patients, that may prompt its increasing use despite its much higher costs.

10 Jun 2005

Revolutionising medical imaging internationally

A team of RMIT University researchers has developed cutting-edge technology that has the potential to revolutionise medical imaging internationally.

6 Jun 2005

Researchers successfully image delivery and gene expression of DNA nanoparticles into lungs of CF mice

Researchers at the American Society of Gene Therapy Meeting in St. Louis announced that by using imaging technologies, they are able to successfully trace the delivery of DNA nanoparticles and the extent of gene transfer in the lungs of cystic fibrosis (CF) animals.

6 Jun 2005

Whole-body positron emission tomography/computed tomography scans may help physicians identify malignant cancerous tumors

A team of researchers at Johns Hopkins Medical Institutions in Baltimore, Md., reports that whole-body positron emission tomography/computed tomography (PET/CT) scans may help physicians identify new, unexpected malignant cancerous tumors in patients, according to an article in the May issue of the Society of Nuclear Medicine’s Journal of Nuclear Medicine.

29 May 2005

Practice of defensive medicine widespread among physicians in specialties at high risk of lawsuits

More than 90 percent of surveyed physicians in Pennsylvania reported defensive medicine practices such as over-ordering of diagnostic tests, unnecessary referrals and avoidance of high-risk patients, according to a study in the June 1 issue of JAMA.

25 May 2005

Medical imaging costs at a steady percentage of overall hospital costs

The substantial increase in the use of medical imaging during recent years has fueled speculation that imaging costs were a major factor behind the rise in overall health care costs.

24 May 2005

Ultrasound-guided percutaneous biopsies are a safe and effective alternative to endoscopic biopsies

In most cases (61%) a diagnosis was possible after two passes with the biopsy needle. There were no major complications. In 14 of the patients, malignancy was diagnosed; eight patients had benign results.

20 May 2005

Chest CT can be first step to identifying if patient has had a heart attack

When radiologists are looking at contrast-enhanced chest CT examinations, they should take a look at the patient's heart to rule out heart attack, regardless of why the chest CT examination is being performed, a new study shows.

20 May 2005

New kidney test better elder mortality predictor

A study at the San Francisco VA Medical Center (SFVAMC) has found that a test of kidney function that measures blood levels of cystatin C -- a protein produced by most cells in the body -- is a far more accurate predictor of mortality risk in elderly people than the current standard kidney function test, which measures levels of the protein creatinine.

20 May 2005

Radioimmunotherapy streamlines non-Hodgkin's lymphoma treatment

Researchers at the Keck School of Medicine of the University of Southern California and colleagues have found a way to streamline a new form of treatment for patients with non-Hodgkin's lymphoma.

18 May 2005

Routinely reformatting computed tomography (CT) scans to view organs from several different directions may help radiologists improve diagnosis

"You can see things in one view that you might miss in another," said Craig Barnes, M.D., section head of pediatric radiology at Wake Forest Baptist's Brenner Children's Hospital. "It costs no more as relates to scan time or radiation exposure, and we believe it provides added value in diagnosis."

17 May 2005

Over-the-phone transmission of diagnostic-quality ultrasound images is possible

Over-the-phone transmission of diagnostic-quality ultrasound images is possible, potentially paving the way for ultrasound examinations to be performed in poorer areas of the world, inexpensively transmitted via the Internet, and read by experienced radiologists elsewhere, a new study shows.

17 May 2005

Combined MRI and mammography more effective at detecting breast cancer in high risk women

Annual screening, using magnetic resonance imaging (MRI) and X-ray mammography, is the best way to detect breast cancer in women that have a high genetic risk of the disease, according to a study published online by The Lancet.

16 May 2005

Radiology News and Research

Further Reading

A blood test for thyroid cancer can detect persistent or recurrent disease even before doctors can find any trace of a tumor

New discoveries in treatment for patients with non-Hodgkin's lymphoma

PET might be a promising tool for early prediction of response to chemotherapy for ovarian can

Radiofrequency ablation (RFA) is an effective, longlasting treatment for small kidney tumors in selected patients

Arterial spin labeling distinguishes between Alzheimer's disease and frontotemporal dementia

MRI measurement of breast tumor volume predicts whether a patient's cancer will return

Aortic disease difficult to diagnose

Digital mammography no better than traditional film X-rays in the ability to detect cases of breast cancer

Revolutionising medical imaging internationally

Researchers successfully image delivery and gene expression of DNA nanoparticles into lungs of CF mice

Whole-body positron emission tomography/computed tomography scans may help physicians identify malignant cancerous tumors

Practice of defensive medicine widespread among physicians in specialties at high risk of lawsuits

Medical imaging costs at a steady percentage of overall hospital costs

Ultrasound-guided percutaneous biopsies are a safe and effective alternative to endoscopic biopsies

Chest CT can be first step to identifying if patient has had a heart attack

New kidney test better elder mortality predictor

Radioimmunotherapy streamlines non-Hodgkin's lymphoma treatment

Routinely reformatting computed tomography (CT) scans to view organs from several different directions may help radiologists improve diagnosis

Over-the-phone transmission of diagnostic-quality ultrasound images is possible

Combined MRI and mammography more effective at detecting breast cancer in high risk women

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