Shalmali Pal

MRI
Presurgical fMRI for tumor resection: Are we there yet?
BERLIN - In theory, functional MRI offers the ultimate noninvasive, presurgical management tool for brain tumor resection. In practice, fMRI techniques have a way to go before they can be as accurate as intraoperative cortical stimulation (ICS), according to Dr. Stefan Sunaert, Ph.D., from the University Hospital of the Catholic University of Leuven in Belgium. Sunaert discussed some of the strengths and weaknesses of fMRI for brain tumor mapping in a talk Sunday at the International Society for Magnetic Resonance in Medicine (ISMRM) meeting.
May 20, 2007
MRI
MRI keeps pace with rapidly evolving musculoskeletal systems of young athletes
BERLIN - About 35 million kids in the U.S. participate in organized or recreational sports. In general, they concentrate on one sport and train at accelerated levels, resulting in overuse and repetitive stress injuries that are compounded by the delicate nature of a growing musculoskeletal system. At the 2007 International Society for Magnetic Resonance in Medicine (ISMRM) meeting on Saturday, two presentations focused on pediatric sports injuries and typical MR signs of various chronic musculoskeletal issues.
May 19, 2007
Digital X-Ray
UFE without standard aortography cuts radiation dose
Because some women undergoing uterine fibroid embolization (UFE) may also require ovarian artery embolization (OAE), aortography is routinely performed to assess ovarian arterial supply. But eliminating this step, especially because less than 1% of UFE patients have significant collateral artery supply, could cut procedure-related radiation dose by 20%, according to a Washington, DC-based group.
May 17, 2007
MRI
Studies uphold MRI's role in meniscal tears, propose new sequences
Knee MRI has become the most frequently ordered exam, but how accurate is it for diagnosing meniscal tears? Accurate enough to merit its acceptance in the orthopedic community, although MR interpretation must still be undertaken cautiously, according to a Belgian group that investigated the correlation between MR results and surgical findings.
May 15, 2007
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Breast
Rolling back FFDM dose influences diagnostic accuracy, experiment shows
In theory, switching from analog to digital offers the opportunity to reduce radiation dose, but how a lower dosage would affect image quality remains unclear. In a new study, a multidisciplinary group from Duke University in Durham, NC, took a closer look at the relationship between radiation dose and observer accuracy in full-field digital mammography (FFDM).
May 10, 2007
Breast
Fewer views, faster film abates radiation dose in implant mammography
In 2006, nearly 400,000 breast augmentations were performed, making it the top cosmetic procedure among U.S. women, according to the American Society for Aesthetic Plastic Surgery. Four-view mammograms are standard in implant imaging, but that means greater radiation exposure. California-based researchers have proposed fewer views and a faster target-filter combination to reduce the radiation dose.
May 7, 2007
CT
MRI, CT prove their metal for imaging orthopedic hardware
Musculoskeletal imaging experts may love to chew on the advantages of one imaging modality over another for assessing prostheses, but the clinicians ordering up these exams just want answers, especially if the hardware has gone awry. Dr. Kenneth Buckwalter discusses ways to optimize scan techniques in the presence of orthopedic hardware.
May 3, 2007
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Digital X-Ray
Tracking glucose benefits diabetic women with angiographic coronary disease
Women with higher fasting plasma glucose (FPG) levels are at increased risk for myocardial infarction, especially when they have angiographically proven coronary artery disease, according to a study in the Journal of Women's Health.
May 1, 2007
Musculoskeletal Radiology
AuntMinnie.com Orthopedic Imaging Insider
April 29, 2007
MRI
MR spots reason for chronic groin pain, but may not alter management
The structure of the healthy groin is complex enough, so figuring out what causes chronic groin pain can be particularly perplexing. Should MRI be the go-to modality for investigating the source of groin pain? Yes and no, according to two recent studies that assessed MRI's ability to reveal patterns of soft-tissue injury in soccer players, as well as how closely imaging results correlated with outcomes.
April 26, 2007
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CT
New benchmark helps monitor cumulative CT radiation dose
The findings highlight the need for systematic dose tracking and rigorous justification of imaging.
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Radiation Oncology/Therapy
Study questions routine use of radiotherapy after bone surgery
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Ultrasound
CEUS outshines color Doppler imaging for indeterminate kidney lesions
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Womens Imaging
Women's Imaging MinnieCast, Episode 2: Risk-based vs. annual mammography screening, part 1
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Digital X-Ray
Chest x-rays reveal atherosclerosis in patients undergoing amputations
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‘Dark-light-dark sign’ on MRI predicts rectal cancer metastasis
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Absence of the novel tumor feature on contrast-enhanced T1-weighted imaging was associated with a higher risk of lymph node metastasis.
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CT-based model assesses lung lesions from nonsolid nodules
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A model based on CT imaging features performed well in a study, differentiating lung lesions from nonsolid nodules.
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MRI reveals how statins reduce vessel wall inflammation
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The findings offer further evidence that statins reduce stroke risk.
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New PET tracer helps detect pulmonary sarcoidosis
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