The quantity Ca, also called Computed Tomography Air Kerma Index can be measured free in air or in an air cavity within specific polymethylmethacrylate (PMMA) phantoms for head and body. CTDI values ...

Medically reviewed by Nicholas R. Metrus, MD A coup contrecoup brain injury is a head injury that occurs at the side opposite to the site of the impact. In contrast, a coup injury is a traumatic brain ...

In CECT head imaging, iopamidol does not accumulate in normal brain tissue due to the presence of the blood-brain barrier. In nonneural tissues (during computed tomography of the body), iopamidol ...

In CECT head imaging, iopamidol does not accumulate in normal brain tissue due to the presence of the blood-brain barrier. In nonneural tissues (during computed tomography of the body), iopamidol ...