Medical Imaging

Physicians utilize medical imaging to see inside the body to diagnose and treat patients. This includes computed tomography (CT), magnetic resonance imaging (MRI), X-ray, ultrasound, fluoroscopy, angiography,  and the nuclear imaging modalities of PET and SPECT. 

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Cross-sectional imaging ordered downstream for just 15% of emergency POCUS patients

Using point-of-care ultrasound in emergency settings does not lead to overutilization of follow-up imaging with cross-sectional CT, MRI or additional ultrasounds. 

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FDA clears spinal-tap test that could challenge PET in Alzheimer’s diagnostics

The FDA has approved a lab test for evaluating cognitively impaired adults who may be in the early stages of Alzheimer’s disease.

Foot ultrasound bested foot MRI on pooled sensitivity while lagging on specificity

MRI beats ultrasound at grading common foot injury, but tables turn for up-or-down diagnostics

Injuries of the plantar plate—the cluster of ligaments underneath the four smaller “knuckles” of the toes—are better assessed with MRI than with ultrasound scans. 

Siemens Healthineers showed examples at ACC 2022 of cardiac computed tomography (CT) from its new Naeotom Alpha photon-counting CT scanner cleared by the FDA in 2021.

VIDEO: Example of photo-counting cardiac CT with calcified coronaries

Siemens Healthineers showed examples at ACC 2022 of cardiac computed tomography (CT) from its new Naeotom Alpha photon-counting CT scanner cleared by the FDA in 2021.

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FDA greenlights portable, wearable 3D breast POCUS

The patient wears the device while the machine essentially operates itself.

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Major teaching hospital finds half its on-call abdominal ultrasounds call utilization into question

The investigators encourage radiologists to consider the numbers and take steps to “reinforce their gatekeeper function” to help cut ultrasound overutilization.

CT scan showing lung cancer nodules with measurements of each nodule to track growth or regression from treatment. Image courtesy of RSNA

American Indian/Alaskan Native tribes three times more likely to get lung or colorectal cancer

This week presenters at the annual ARRS meeting discussed barriers these populations face when trying access vital cancer screenings.

neck ultrasound thyroid

Deep learning and rads comprise an ‘efficient pipeline’ for detecting, classifying thyroid nodules

Competing to classify thyroid nodules on ultrasound images as either malignant or benign, three deep learning models have essentially drawn a tie with four radiologists.

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Around the web

Health Imaging
Nearly $800,000 settlement offered to family of man who died during MRI exam

The patient, who was being cared for in the ICU, was not accompanied or monitored by nursing staff during his exam, despite being sedated.

Cardiovascular Business
Global shortage of nuclear imaging isotopes may be over

The nuclear imaging isotope shortage of molybdenum-99 may be over now that the sidelined reactor is restarting. ASNC's president says PET and new SPECT technologies helped cardiac imaging labs better weather the storm.

Cardiovascular Business
‘A huge win’: CMS significantly increases Medicare payments for cardiac CT

CMS has more than doubled the CCTA payment rate from $175 to $357.13. The move, expected to have a significant impact on the utilization of cardiac CT, received immediate praise from imaging specialists.