[ Back to EurekAlert! ] Public release date: 1-Mar-2010
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Contact: Heather Curry
hcurry@acr-arrs.org
703-390-9822
American College of Radiology

Ownership/leasing of PET scanners by nonradiologists on the rise

Just as with computed tomography (CT) and magnetic resonance imaging (MRI), the growth rate among non-radiologists who own or lease positron emission tomography (PET) equipment is also on the rise, contributing significantly to the ongoing issues surrounding self-referral and unnecessary utilization of imaging in the United States, according to a study published in the March issue of the Journal of the American College of Radiology (www.jacr.org). PET is a relatively new technology that produces three-dimensional images of functional processes in the body. It is often used to diagnose certain types of cancer and heart disease.

"One of the well-known factors contributing to rising imaging costs is self-referral among non-radiologist physicians which has been shown to result in unnecessary utilization of imaging," said Rajan Agarwal, MD, MBA, lead author of the study. "This has made imaging one focus of concern as policymakers and third party payers look to cut health care costs," said Agarwal.

Data was collected utilizing the Medicare Part B Physician/Supplier Procedure Summary Master Files for 2002 through 2007. The number of PET scans performed on units owned or leased by various medical specialists, including radiologists was tabulated. While overall imaging growth is in line with or below that of other physician services ─

2 percent or less annually since 2006 ─ utilization by non-radiologists continues to significantly outpace that of radiologists.

"Results showed that while a large percentage of PET scans in private offices are done by radiologists, the growth rate among non-radiologists was much higher. Between 2002 and 2007 radiologist-owned Medicare PET scans increased by 259 percent, whereas non-radiologist owned or leased scans grew by 737 percent a significant difference," said Agarwal.

"At a time when the costs of imaging and the exposure of patients to radiation are coming under intense scrutiny, it is of great concern that many non-radiologist physicians are going outside the scope of their original specialty training and practice experience by acquiring and leasing advanced imaging equipment such as PET scanners," he said.

"Because it has been clearly shown that self-referral leads to higher utilization of imaging this is likely already a significant driver of utilization increases and costs, and it of course also leads to greater exposure of patients to radiation. As was the case with CT and MRI, the PET growth trend among non-radiologists remains high and will bear further watching in future years," said Agarwal.

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The March issue of JACR is an important resource for radiology and nuclear medicine professionals as well as students seeking clinical and educational improvement.

For more information about JACR, please visit www.jacr.org.

To receive an electronic copy of an article appearing in JACR or to set up an interview with a JACR author or another ACR member, please contact Heather Curry at 703-390-9822 or hcurry@acr-arrs.org.



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