Review the following cases and try to identify the pathology. Is it acute or non-acute?
Remember that CT head is a primary diagnostic tool for acute injury (trauma) and change in consciousness. In cases of trauma, reconstructions for bone will need to accompany brain recons for evaluation of the skull and/or facial bones.
When a stroke is suspected a non-contrast scan is done first to determine if there is acute bleeding, seen as the bright white high-density defect. Nonacute (old) strokes will demonstrate low-density spaces within the cranium where blood or necrotic brain tissue has been resorbed and replaced with CSF.
Three common bleeds are often encountered in CT of the Head: epidural, subdural, and subarachnoid. It's important that technologists are able to identify and distinguish these bleeds and respond appropriately.
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