The following table or figure may be downloaded to PowerPoint for personal use in teaching and presentations. This feature is available to all subscribers to the journal.
You MUST read and follow the guidelines at Request to Reproduce AJR Content if you are distributing or using AJR content beyond academic use (limited distribution, non-revenue producing, or educational purposes).
(Downloading may take up to 30 seconds.
If the slide opens in your browser, select File -> Save As to save it.)
Click on image to view larger version.

Fig. 7B 16-year-old boy with parosteal osteosarcoma. T1-weighted sagittal MR
image shows tumor abutting posterior surface of distal femur (white
arrow) with extension into medullary cavity (black arrow); such
extension constitutes extracompartmental spread and would be classified as T2
using Enneking staging system
[14].