Tomography News and Research

RSS

Serum carcinoembryonic antigen level can reflect adrenal adenoma

The female patient, reported on the December 7 issue 45 of World J Gastroenterology, presented a rare case, with symptoms consistent with hyperadrenocorticism and hypercatecholaminism, and also had a Cushingoid appearance.

21 Nov 2007

Whole-body positron emission tomography can reassure cervical cancer patients

Whole-body PET (positron emission tomography) scans done three months after completion of cervical cancer therapy can ensure that patients are disease-free or warn that further interventions are needed, according to a study at Washington University School of Medicine in St. Louis.

21 Nov 2007

Gene-based therapy successful in Parkinson's disease

Brain scans have revealed that the first gene-based therapy for Parkinson's disease was effective.

20 Nov 2007

PET scans show gene therapy normalizes brain function in Parkinson's patients

Brain scans used to track changes in a dozen patients who received an experimental gene therapy show that the treatment normalizes brain function - and the effects are still present a year later.

20 Nov 2007

PET scans useful for some cancer treatment, but how do patients fare?

Positron emission tomography or PET scans can help clinicians diagnose and treat some cancers, but it is not clear yet whether the imaging technology helps people with cancer live longer and healthier lives, according to a comprehensive review by the U.K. National Health Service.

14 Nov 2007

Maternal link to Alzheimer's disease found

People who have a mother with Alzheimer's disease appear to be at higher risk for getting the disease than those individuals whose fathers are afflicted, according to a new study by NYU School of Medicine researchers.

6 Nov 2007

64-slice CT scans a good test for clogged arteries

A study by an international team of cardiac imaging specialists, led by researchers at Johns Hopkins, concludes that sophisticated computed tomography (CT) scans of the heart and its surrounding arteries are almost as reliable and accurate as more invasive procedures to check for blockages.

6 Nov 2007

SimPlant Planner provides perfect placement of dental implants

The University of Illinois at Chicago College of Dentistry is using a computer program to find the perfect spot in the mouth to place dental implants.

6 Nov 2007

Medical causes of iatrogenic renal disorders

Nephrologists and other health care providers need to be aware of certain medications and diagnostic test preparations that, in some patients, can cause damage to the kidneys, according to a special clinical update being presented at the American Society of Nephrology's 40th Annual Meeting and Scientific Exposition in San Francisco.

5 Nov 2007

Research sheds light on carotid artery stenting risk in elderly

Dr. Hernan Bazan, Assistant Professor of Surgery, Section of Vascular Surgery, at Louisiana State University Health Sciences Center New Orleans' School of Medicine, is the lead author of a research paper which may help physicians decide which patients with carotid artery occlusive disease should have carotid surgery or carotid stenting.

2 Nov 2007

PET scan distinguishes Alzheimer's from other dementia

A PET scan (positron emission tomography) that measures uptake of sugar in the brain significantly improves the accuracy of diagnosing a type of dementia often mistaken for Alzheimer's disease, a study led by a University of Utah dementia expert has found.

2 Nov 2007

Is it pancreatitis in acute abdominal pain in acute viral hepatitis?

Hepatitis viruses have a strong tropism for hepatocytes; viral antigen also has been detected in pancreas and gallbladder.

1 Nov 2007

Exclusion of common bile duct stones prior to gallstone operations

CBDS occur in 7-20% of all patients undergoing a gallstone operation and may complicate the course of surgery.

1 Nov 2007

Consultation on the protection of patients and volunteers undergoing MRI examinations

The Health Protection Agency has published a consultation document on its website about the protection of patients and volunteers undergoing magnetic resonance imaging (MRI) examinations.

1 Nov 2007

Which lung volumes to use for radiotherapy planning of lung cancer

A new method to standardize the reporting of radiation dose volumes in the use of four-dimensional computed tomography (4D-CT) can lead to a more accurate radiation dose to the lungs in lung cancers, thereby lowering the risk of lung injury, according to a study presented at the Plenary I session on October 29, 2007, at the American Society for Therapeutic Radiology and Oncology's 49th Annual Meeting in Los Angeles.

29 Oct 2007

Positioning pelvic cancer patients on stomachs for radiation yields better results

Oregon Health & Science University Cancer Institute researchers have found that positioning pelvic cancer patients on their stomachs rather than their backs is a better method for delivering radiation therapy.

28 Oct 2007

More evidence dopamine plays a role in obesity

A brain-imaging study of genetically obese rats conducted at the U.S. Department of Energy's Brookhaven National Laboratory provides more evidence that dopamine - a brain chemical associated with reward, pleasure, movement, and motivation - plays a role in obesity.

25 Oct 2007

Novel and accurate method for preoperative diagnosis of pancreatic solid pseudopapillary tumor

Given the difficulty regarding pancreatic biopsy procedures, a research group led by Dr. Chatzipantelis investigates the relatively novel preoperative and bloodless technique of image-guided fine-needle aspiration (FNA), and explores its value in diagnosing pancreatic lesions.

24 Oct 2007

Quantitative PET imaging finds early determination of effectiveness of cancer treatment

With positron emission tomography (PET) imaging, seeing is believing: Evaluating a patient's response to chemotherapy for non-Hodgkin lymphoma (NHL) typically involves visual interpretation of scans of cancer tumors.

24 Oct 2007

Cellular power plant fault explains abnormal metabolism of tumours

The increased consumption of glucose that tumour cells exhibit, was thought to be a cause of the extra demand of building blocks required to keep up with an uncontrolled cell growth, but now it is more accepted that it could be the effect of a programmed metabolic change that favours this malignant growth.

23 Oct 2007