Is this an HIV/AIDS specific condition?
No. There are several other diseases that may be related to this imaging findings.
Is it mandatory to be presented only as a posterior distribution pattern?
No, despite being termed posterior, it can be found in a non posterior distribution, mainly in watershed areas, including within the frontal, inferior temporal, cerebellar and brainstem regions.
The follow-up images after improvement in clinical status show complete resolution of changes.
- MRI (FLAIR):