Although the ring enhancement seen in contrast Brain CT scan is a frequent buzzword leading to the diagnosis of brain abscess, one should not forget the other possible causes that the USMLE may play with us.
Here's a list of possible causes:
Here's a list of possible causes:
- Brain tumors (primary or secondary mets)
- Toxoplasmosis, specially in the HIV patient
- Hydatid cysts
- Multiple sclerosis
- Tuberculoma
- Resolving hematoma
- Postoperative changes
- Aneurysm
- Brain infarction