Head CT > Stroke > CT of Subacute Infarction

CT of Subacute Infarction

The CT of a subactue infarction has the following findings in 1 -3 days:
- Increasing mass effect
- Wedge shaped low density
- Hemorrhagic transformation
After 4 - 7 days the CT is characterized by:
- Gyral enhancement
- Persistent mass effect
In 1-8 weeks:
- Mass effect resolves
- Enhancement may persist

This image was taken 4 hours after the infarction. This image, from the same patient, was taken 2 days after the infaction.