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Dose can drop in large patients
The trade-off between image noise and radiation exposure in low-dose multislice CT for kidney stone detection has not been kind to overweight patients. They are often excluded from low-dose studies, scanned at higher doses, or scanned repeatedly with normal doses.
The trade-off between image noise and radiation exposure in low-dose multislice CT for kidney stone detection has not been kind to overweight patients. They are often excluded from low-dose studies, scanned at higher doses, or scanned repeatedly with normal doses. A 4D tube current modulation-adapted to the x-, y-, and z-planes continuously during scanning-was found to reduce dose by more than 60% without affecting accuracy in overweight patients (AJR 2007;188:553-562).
Dr. Tom H. Mulkens, a radiologist at Heilig Hart Hospital in Lier, Belgium, and colleagues concluded that this technique could become standard in overweight and obese patients with suspected acute renal colic.
The Reading Room: Artificial Intelligence: What RSNA 2020 Offered, and What 2021 Could Bring
December 5th 2020Nina Kottler, M.D., chief medical officer of AI at Radiology Partners, discusses, during RSNA 2020, what new developments the annual meeting provided about these technologies, sessions to access, and what to expect in the coming year.
A Victory for Radiology: New CMS Proposal Would Provide Coverage of CT Colonography in 2025
July 12th 2024In newly issued proposals addressing changes to coverage for Medicare services in 2025, the Centers for Medicare and Medicaid Services (CMS) announced its intent to provide coverage of computed tomography colonography (CTC) for Medicare beneficiaries in 2025.
