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A dose of sophistication comes to CT protocols In 2018, dose optimization means getting everyone involved

GE to provide training to at least 140 Kenyan radiographers Partnering with Society of Radiography in Kenya

Spectral CT, workflow and dose reduction drive new CT scanner and software releases

Purchasing insight: Navigating the CT market Important considerations when it's time to shop around

IMRIS and Siemens take on growing hybrid OR neurosurgical market together Support sales for MR, CT and angiography

Stryker inks two partnerships for enhanced surgical guidance Offering whole-brain tractography and detail-rich imaging

The present and future of spectral imaging Insights from Christian Eusemann, Ph.D., vice president of collaborations at Siemens Healthineers North America

Low-dose, mobile CT technology powers the future of lung care Recounting benefits it has brought to the Levine Cancer Institute

Congress to evaluate bill on CT colonography coverage Would expand coverage of CT colonography for colorectal cancer

NIH grants over $1 million to development of non-contrast imaging approaches Will be used to diagnose peripheral arterial disease

Many fear an EPA proposed rule change
could weaken regulations around
radiation exposure

Could proposed EPA rule change lead to less stringent radiation exposure regulations?

by John R. Fischer , Staff Reporter
The Environmental Protection Agency has caused a commotion in the medical imaging community over proposed rule changes that some perceive as leading toward a weakening of regulations around radiation exposure.

The government agency is questioning current, decades-old guidelines based on the notion that any exposure to radiation places individuals at greater risk of developing cancer in their lifetime. The argument to revisit these guidelines is based on scientific outliers claiming that exposure to small doses of radiation can actually be good for humans.

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The EPA's suggestion has been met with condemnation from numerous individuals and organizations that fear alterations may place medical workers as well as nuclear workers and others at risk of exposure to larger amounts in their environment.

“The American Society of Radiologic Technologists is committed to optimal patient care that includes a focus on protection from unnecessary medical radiation,” Greg Morrison, ASRT associate executive director, told HCB News. “We strongly oppose any measure that would weaken radiation protection measures for patients, radiologic technologists and all other healthcare workers.”

Medical and scientific communities currently operate under the linear no-threshold model, which claims that no threshold of risk-free radiation exposure exists. Supporters of the proposal claim the model is flawed and has led to unnecessary spending for managing exposure in accidents, at nuclear plants, in medical facilities and at other sites.

First introduced in April, the Strengthening Transparency in Regulatory Science proposal directs regulators to consider alternative scientific viewpoints when establishing or adhering to regulatory standards, including evaluating various threshold models across the range of exposures when in contact with dangerous substances.

Though it does not specifically mention radiation, many interpret its wording to include radiation protection standards. Edward Calabrese, a toxologist at the University of Massachusetts who supports the proposal, has called it “a major scientific step forward” that would save billions and have a positive impact on human health.

Echoing this sentiment was Brant Ulsh, a physicist with the California-based consulting firm M.H. Chew and Associates. “Right now we spend an enormous effort trying to minimize low doses” he told the Associated Press. “Instead, let’s spend the resources on minimizing the effect of a really big event.”
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