Table of Contents

The structure of the normal brain and its imaging appearance.
The general appearance of edema and hemorrhage on CT, MR and US (including a general introduction to CT, MR and US scanning).
The basics of contrast and its role in dating.
How the imaging appearance of edema and hemorrhage change over time on CT, MR, and US: dynamic (acute) dating.
Patterns of parenchymal injury: pattern (chronic) dating.
Principles of dynamic dating in the medical legal setting.
Principles of pattern dating in the medical legal setting.
Therefore, what can be said based on the images, and what can't be said based on the images.
The root causes of uncertainty in dating neurologic events based on imaging findings.