Improving Accuracy for Image Fusion in Abdominal Ultrasonography

Improving Accuracy for Image Fusion in Abdominal Ultrasonography

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Image fusion involving real-time ultrasound (US) is a technique where tg02-0325m previously recorded computed tomography (CT) or magnetic resonance images (MRI) are reformatted in a projection to fit the real-time US images after an initial co-registration.The co-registration aligns the images by means of common planes or points.We evaluated the accuracy of the alignment when varying parameters as patient position, respiratory phase and distance from the co-registration points/planes.We performed a total of 80 co-registrations and obtained the highest accuracy when the respiratory phase for the co-registration procedure was the same as when the CT or MRI was obtained.

Furthermore, choosing co-registration points/planes close to the area of interest also improved the accuracy.With all settings optimized a mean error of 3.2 mm was obtained.We conclude that image fusion involving real-time US is an accurate method for abdominal examinations and that the accuracy is bostik mvp influenced by various adjustable factors that should be kept in mind.