Diagnostic Imaging
Diagnostic imaging is a function of diagnostic radiology concerned with or aiding in diagnosis using radiology. Diagnostic imaging helps radiologists to find the earliest stages of cancer, before the cancer has spread. Advanced diagnostic radiology includes MRI, CT, mammography, MRA, and ultrasound.
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Written by: Steve Millburg, Filed in: Diagnostic Imaging, Emergency Radiology, Practice Management
The fantasy: A primary-care doctor pulls out her iPad, pulls up a patient’s scans, and huddles with a radiologist, discussing the diagnosis. At the patient’s bedside, she uses the images to help the patient understand his situation. She plugs in an ultrasound probe and checks his heart functioning, sending an image back to the radiologist for a read. She enters … read more »
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Millimeter-wave scanners may constitute the hot new imaging modality, at least for industrial uses. German scientists have developed a scanner the size of a laser printer that can image all nonmetallic materials so precisely that it can distinguish between different types of rubber composites or chocolate fillings.
The device even has a cuddly name: SAMMI, short for Stand Alone MilliMeter wave … read more »
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Written by: Steve Millburg, Filed in: Abdominal Imaging, Breast Imaging, Cardiac Imaging, Chest Radiology, Diagnostic Imaging, Emergency Radiology, Gastrointestinal Imaging, Interventional Radiology, Medical Ethics, Musculoskeletal Radiology, Neuroradiology, Nuclear Medicine, Obstetric Ultrasound, Pediatric Radiology
Low doses of ionizing radiation may not carry as much cancer risk as we’ve thought, according to researchers at the U.S. Department of Energy’s Lawrence Berkeley National Laboratory in Berkeley, California.
Breast-cancer researcher Mina Bissell, PhD, explained:
Our data show that at lower doses of ionizing radiation, DNA repair mechanisms work better than at higher doses. This nonlinear DNA damage response casts … read more »
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Medicare imaging is down, and the American College of Radiology is creating a list of imaging procedures that should be done less often.
Happy new year.
At a meeting last Friday, the Medicare Payment Advisory Commission (MedPAC) confirmed that Medicare imaging decreased 2.5 percent in 2010. MedPAC views that as a good thing; a slide presentation says the “decrease in use of … read more »
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A new camera so fast that it can capture the movement of a burst of light—in slow motion—could lead to a new way of imaging.
Researchers at the MIT Media Lab in Cambridge, Massachusetts, have developed a video camera that can capture 1 trillion exposures per second. So it can show a single burst of light traveling in slow motion through … read more »
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Minneapolis radiologist Steven Sirr, MD, performs careful CT scans on certain patients from many angles. He tries to create a comprehensive internal picture of each, because he and a colleague plan to duplicate them.
The “patients” are violins. Dr. Sirr, a violinist himself, has been scanning them, as well as violas and cellos, since 1989. You may have heard the All … read more »
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How cool would it be to have real-time images streaming across your field of vision? It could be practical in daily life (navigation information, e-mails), commercially profitable (“hey, loyal Starbucks customer, stop in for a Frappuccino just 10 steps ahead on your left”) or simply fun (video game displays). But it’s also easy to imagine medical uses.
Implanted body sensors could … read more »
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Written by: Steve Millburg, Filed in: Abdominal Imaging, Breast Imaging, Cardiac Imaging, Chest Radiology, Diagnostic Imaging, Emergency Radiology, Gastrointestinal Imaging, Musculoskeletal Radiology, Pediatric Radiology
The delicacy of some crystalline molecules has led to a new X-ray technique that may eventually reduce radiation doses for human patients.
B.C. Wang, PhD, studies molecules. (He’s Ramsey-Georgia Research Alliance Eminent Scholar in Structural Biology at the University of Georgia in Athens). X-ray crystallography—bombarding molecules’ crystalline forms with X-rays—reveals the position of chemical bonds and other important properties.
However, large molecules, … read more »
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The virtual autopsy—using CT, MRI, or both instead of conventional invasive procedures—shows promise but isn’t ready for prime time.
That’s the conclusion (phrased somewhat differently) of a new study published online Tuesday in The Lancet. However, the study did say:
If used as a pre-autopsy screen, imaging might avoid unnecessary autopsies (e.g., for ruptured aortic aneurysm), identify lesions difficult to diagnose by … read more »
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Written by: Steve Millburg, Filed in: Abdominal Imaging, Breast Imaging, Cardiac Imaging, Chest Radiology, Diagnostic Imaging, Emergency Radiology, Gastrointestinal Imaging, Medical Ethics, Musculoskeletal Radiology, Neuroradiology, Practice Management
Here’s a surprising contention: Medicare has already cut spending on imaging too much.
It comes from the Medical Imaging & Technology Alliance (MITA), a trade group for makers of medical imaging equipment. So perhaps it’s not so surprising.
MITA said in a Wednesday news release that, according to its own analysis of Medicare data, spending on imaging for each Medicare beneficiary has … read more »
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