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Rectangular Collimation Reduces Radiation Exposure In Dentistry - Latest News


Clinic Offering Affordable Radiation Therapy to Increase Access to Care for Patients Enrolled in Hospice

Methods: A clinic offering affordable RT to patients in hospice was developed to simplify the intake, reduce ... fields were rectangular, but could be modified by collimator rotation to minimize unnec... read more

Improved Image Quality in Head and Neck CT Using a 3D Iterative Approach to Reduce Metal Artifact

BACKGROUND AND PURPOSE: Metal artifacts from dental fillings and other ... 128- × 0.6-mm section collimation using a z-flying focal spot, and 160 reference milliampere-second tube current with automat... read more

Recommendations developed to reduce radiation exposure in pediatric orthopedic patients

Now, a new analysis looks at the available evidence on radiation exposure in medical imaging in pediatric orthopaedic care—and provides recommendations aimed at optimizing decision-making to reduce un... read more

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Rapid, continuous additive manufacturing by volumetric polymerization inhibition patterning

Moreover, the inhibition volumes created using this method enable localized control of the polymerized region thickness to effect single-exposure, topographical patterning. We have developed an AM sys... read more


The Physics of Healing: Radiation Therapy

One of the most interesting parts of a radiation therapy machine is the collimator. Collimation controls the shape of the beam and limits unwanted exposure. A diagnostic X-ray machine’s collimator is ... read more

Dr. Allen Chen

Dr. Allen Chen is a radiation oncologist in Orange, California and is affiliated with multiple hospitals in the area, including UCLA Medical Center and UCLA Medical Center-Santa Monica. He received hi... read more

Accuray, Inc.

The CyberKnife® Treatment Planning System comes with VOLO™ Optimizer that helps in improving efficiency by reducing time for creating high quality treatment plans. The VOLO™ optimizer builds treatment ... read more

Innovative device allows 3-D imaging of the breast with less radiation

"You can image that accumulation external to the breast by using a gamma camera," said Weisenberger. Current molecular breast imaging systems use a traditional collimator, which is essentially a recta... read more

Imaging of Back Pain in Children

18 When indicated, radiographs are a good initial diagnostic tool for the evaluation of back pain in children and should include both anteroposterior and lateral views of the spine. Collimation ... be ... read more



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