|A||Aneursymal Bone Cyst||Benign; 80% < age 20|
|G||Giant Cell Tumor||Seen only after physeal closure (age>20)|
|T||Telangiectatic Osteosarcoma||Most common location: Femoral metaphysis|
The age of the patient is an important factor to consider, as the GCT only occurs after physeal closure.
|ABC with fluid-fluid level, best seen on CT|
Source: Radiology Assistant