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All Blog Posts (2,377)

Functional MR reveals how brain bops during jazz improv

March 5, 2008



Functional MR reveals how brain bops during jazz improv

Shalmali Pal

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To the listener, jazz improvisation is an aural flight of fancy, borne aloft by a musician's on-the-spot skill and imagination. But functional MRI results show the brain actually follows a grounded process of activation and deactivation during these spontaneous musical riffs, according to researchers… Continue

Added by Diagnostic Imaging on March 5, 2008 at 10:00pm — No Comments

Advanced pathology techniques challenge notions about breast cancer

March 5, 2008



Advanced pathology techniques challenge notions about breast cancer

Emily Hayes

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Cutting-edge pathology techniques will demonstrate the true nature of breast cancer during the opening session of a categorical course Friday afternoon. Rare and potentially revolutionary, the new methods look set to challenge radiologists' understanding of breast cancer and could alter… Continue

Added by Diagnostic Imaging on March 5, 2008 at 10:00pm — No Comments

What’s wrong with this list of imaging procedures? Plenty

March 4, 2008

Diagnostic Imaging.

What’s wrong with this list of imaging procedures? Plenty

John C. Hayes

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With success comes recognition and a certain degree of notoriety. Certainly radiology’s remarkable move into the center of the medical care process qualifies it for this status. Unfortunately, this level of recognition also turns radiology procedures into a much bigger target, with… Continue

Added by Diagnostic Imaging on March 4, 2008 at 11:30pm — No Comments

SSFP serves as good start to abdominal MR exams

March 4, 2008

Diagnostic Imaging.

SSFP serves as good start to abdominal MR exams

James Brice

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The patient’s back pain was too severe to finish the MRI exam. Her conventional full MRI abdominal study was supposed to take 25 minutes, but—fortunately for her—she could tolerate lying in the scanner long enough to complete the protocol’s first sequence. Those five minutes were just enough time… Continue

Added by Diagnostic Imaging on March 4, 2008 at 11:30pm — No Comments

RSNA meeting sets record with 2007 show

March 4, 2008

Diagnostic Imaging.

RSNA meeting sets record with 2007 show

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Big crowds combined with a huge technical exhibit and a voluminous array of scientific presentations backed up the RSNA’s claim that its conference has become the world’s largest international medical meeting. The 2007 event set an attendance record with 62,251 meeting-goers, an increase of 1% from the previous record set… Continue

Added by Diagnostic Imaging on March 4, 2008 at 11:30pm — No Comments

PET/CT can predict therapy response in some lymphomas

March 4, 2008

Diagnostic Imaging.

PET/CT can predict therapy response in some lymphomas

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A Johns Hopkins University study added to the growing base of evidence showing that quantitative PET/CT can predict the response to treatment in patients with bone metastases from lymphomas.



Dr. Behnaz Goudarzi and colleagues retrospectively reviewed PET/CT reports from 1100 patients with lymphoma.… Continue

Added by Diagnostic Imaging on March 4, 2008 at 11:30pm — No Comments

Cardiologist visits RSNA, a technology wonderland

March 4, 2008

Diagnostic Imaging.

Cardiologist visits RSNA, a technology wonderland

Camel sniffs under tent and likes what it finds, plans to bring fellow camels back next year

JIM ADAMS, M.D.

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I’m not sure I actually felt like the proverbial camel with his nose under the tent. But as a cardiologist attending the 2007 RSNA meeting, I definitely did feel different from how I’ve felt at… Continue

Added by Diagnostic Imaging on March 4, 2008 at 11:30pm — No Comments

PET alters managementfor one in three patients

March 4, 2008

Diagnostic Imaging.

PET alters managementfor one in three patients

Early national data suggest that Medicare’s expanded clinical indications for reimbursement were warranted

H. A. Abella

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Preliminary results from the National Oncologic PET Registry indicate that FDG-PET led referring physicians to alter the clinical management for more than one-third of nearly 23,000… Continue

Added by Diagnostic Imaging on March 4, 2008 at 11:00pm — No Comments

Order entry system attacks wasteful imaging referrals

March 4, 2008

Diagnostic Imaging.

Order entry system attacks wasteful imaging referrals

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Two years of experience with Massachusetts General Hospital’s radiology order entry system indicate the decision-support features embedded in the software cut down on inappropriate image utilization. They also help referring doctors learn the most appropriate imaging application for specific symptomatic… Continue

Added by Diagnostic Imaging on March 4, 2008 at 11:00pm — No Comments

Novel ortho device boasts throughput, low dose, and 3D

March 4, 2008

Diagnostic Imaging.

Novel ortho device boasts throughput, low dose, and 3D

French firm biospace med acquires lateral, frontal radiographs simultaneously, creates reconstructions

Greg Freiherr

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Technology that 15 years ago led to a Nobel Prize in physics is today the cornerstone of a unique DR system that promises up to a 90% cut in radiation dose for body skeletal images… Continue

Added by Diagnostic Imaging on March 4, 2008 at 11:00pm — No Comments

New CPT codes raise rates, but billing problems remain

March 4, 2008

Diagnostic Imaging.

New CPT codes raise rates, but billing problems remain

Cardiac MR codes grant a victory despite continued Medicare ban on blood flow measurement payment

James Brice

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Eight replacement CPT billing codes and a nearly twofold increase in relative value unit rates used to calculate payments for cardiac MR imaging have raised the spirits of physician users… Continue

Added by Diagnostic Imaging on March 4, 2008 at 11:00pm — No Comments

MSCT boosts diagnosis of perforated appendix

March 4, 2008

Diagnostic Imaging.

MSCT boosts diagnosis of perforated appendix

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Japanese researchers have found that detection of an enhancement defect of the appendiceal wall using multislice CT allows accurate diagnosis of perforations of the inflamed appendix.



Dr. Masahiro Tsuboi and colleagues at the Tohoku University in Miyagi retrospectively evaluated 102 patients with confirmed… Continue

Added by Diagnostic Imaging on March 4, 2008 at 11:00pm — No Comments

Medicare MRI utilization rate by state

March 4, 2008

Diagnostic Imaging.

Medicare MRI utilization rate by state

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Medicare beneficiaries in Delaware were more than twice as likely as their counterparts in Vermont to undergo MRI in 2004. The state-by-state rates ranged from 241 MR scans per 1000 Medicare beneficiaries in Delaware to 107 scans per 1000 in Vermont.



The national average was 171 scans per 1000. Laurence Parker,… Continue

Added by Diagnostic Imaging on March 4, 2008 at 11:00pm — No Comments

Medical students Google away for imaging data

March 4, 2008

Diagnostic Imaging.

Medical students Google away for imaging data

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Radiologists seeking a specific piece of medical information online should consider initiating searches with Google, which provides a list of medical resources likely to contain the information needed, according to researchers from Johns Hopkins University.



Dr. Elliot Fishman, director of diagnostic… Continue

Added by Diagnostic Imaging on March 4, 2008 at 11:00pm — No Comments

Lung transplant patients may benefit from 64-slice CT scans

March 4, 2008

Diagnostic Imaging.

Lung transplant patients may benefit from 64-slice CT scans

State-of-the-art units can show subtle changes to lung parenchyma that are not apparent on conventional radiographs or respiratory tests

Settimo Caruso, M.D., and Roberto Miraglia, M.D.

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Lung transplantation is an accepted treatment option for patients with end-stage lung disease. The procedure… Continue

Added by Diagnostic Imaging on March 4, 2008 at 10:30pm — No Comments

Imagers achieve peak results while cutting gadolinium dose

March 4, 2008

Diagnostic Imaging.

Imagers achieve peak results while cutting gadolinium dose

Higher field magnets offer better signal-to-noise and greater sensitivity, making reduced contrast feasible in era of nephrogenic systemic fibrosis

H. A. Abella ,Emily Hayes

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At the 2007 RSNA meeting, Dr. Reza Habibi presented three lower extremity MR angiography images and asked his audience to… Continue

Added by Diagnostic Imaging on March 4, 2008 at 10:30pm — No Comments

Image Gently alliance seeks to cut pediatric radiation

March 4, 2008

Diagnostic Imaging.

Image Gently alliance seeks to cut pediatric radiation

Coalition recommends ways radiologists can spare children from unnecessary exposure in CT imaging

H. A. Abella

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“Be wise. Adjust for size.” That’s the motto of the Alliance for Radiation Safety in Pediatric Imaging, a multisociety coalition that aims to raise physicians’ awareness about the need to… Continue

Added by Diagnostic Imaging on March 4, 2008 at 10:30pm — No Comments

High-tech cabinet helps hospitals manage agents

March 4, 2008

Diagnostic Imaging.

High-tech cabinet helps hospitals manage agents

Sensors glean information from radiofrequency ID chips embedded in labels of contrast bottles

Greg Freiherr

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VistaTrak looks like a basic cabinet designed to hold bottles of contrast media. Wall-hung and compact, it seems a practical way to keep these bottles handy for use. But mounted to the side of this… Continue

Added by Diagnostic Imaging on March 4, 2008 at 10:30pm — No Comments

Cardiac CT exhibits clinical, cost benefits despite radiation risk

March 4, 2008

Diagnostic Imaging.

Cardiac CT exhibits clinical, cost benefits despite radiation risk

Dual-source or 64-slice CT examination proves quick, noninvasive, and effective in triaging patients with low to moderate risk of heart disease

CHRISTOPH R. BECKER, M.D.

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Increasing efforts to screen and diagnose coronary artery disease have used imaging modalities such as catheter… Continue

Added by Diagnostic Imaging on March 4, 2008 at 10:30pm — No Comments

3T MRI enhances knee osteoarthritis management

March 4, 2008

Diagnostic Imaging.

3T MRI enhances knee osteoarthritis management

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An exam that combines 3T MR imaging with clinical assessment could speed up the management of patients with suspected degenerative arthritis of the knee. Disease biomarkers could be identified in half the time—or less—than is currently possible, according to University of California, San Francisco… Continue

Added by Diagnostic Imaging on March 4, 2008 at 10:30pm — No Comments

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