During digital subtraction techniques, overlying structures such as bone and soft tissue are removed from the subtracted image, so the vasculature is better visualized.

Question

Quizplus · Accepted Answer

Digital subtraction angiography (DSA) enhances the visibility of blood vessels by subtracting pre-contrast images from post-contrast images, effectively removing the overlying structures like bone and soft tissue from the image. This process highlights the vasculature, making it easier to visualize.

During Digital Subtraction Techniques, Overlying Structures Such as Bone and Soft